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Vidal-Sicart S, Goñi E, Cebrecos I, Rioja ME, Perissinotti A, Sampol C, Vidal O, Saavedra-Pérez D, Ferrer A, Martí C, Ferrer Rebolleda J, García Velloso MJ, Orozco-Cortés J, Díaz-Feijóo B, Niñerola-Baizán A, Valdés Olmos RA. Continuous innovation in precision radio-guided surgery. Rev Esp Med Nucl Imagen Mol 2024; 43:39-54. [PMID: 37963516 DOI: 10.1016/j.remnie.2023.11.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Accepted: 10/26/2023] [Indexed: 11/16/2023]
Abstract
Since its origins, nuclear medicine has faced technological changes that led to modifying operating modes and adapting protocols. In the field of radioguided surgery, the incorporation of preoperative scintigraphic imaging and intraoperative detection with the gamma probe provided a definitive boost to sentinel lymph node biopsy to become a standard procedure for melanoma and breast cancer. The various technological innovations and consequent adaptation of protocols come together in the coexistence of the disruptive and the gradual. As obvious examples we have the introduction of SPECT/CT in the preoperative field and Drop-in probes in the intraoperative field. Other innovative aspects with possible application in radio-guided surgery are based on the application of artificial intelligence, navigation and telecare.
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Affiliation(s)
- Sergi Vidal-Sicart
- Servicio de Medicina Nuclear, Hospital Clínic Barcelona, Barcelona, Spain; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.
| | - Elena Goñi
- Servicio de Medicina Nuclear, Hospital Universitario de Navarra, Pamplona, Spain
| | - Isaac Cebrecos
- Instituto Clínic de Ginecología, Obstetricia y Neonatología (ICGON), Hospital Clínic Barcelona, Barcelona, Spain
| | | | - Andrés Perissinotti
- Servicio de Medicina Nuclear, Hospital Clínic Barcelona, Barcelona, Spain; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Centro de Investigación Biomédica en Red de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), ISCIII, Madrid, Spain
| | - Catalina Sampol
- Servicio de Medicina Nuclear, Hospital Universitario Son Espases, Palma de Mallorca, Spain
| | - Oscar Vidal
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Cirugía General y Digestiva, ICMDiM, Hospital Clínic de Barcelona, Barcelona, Spain; Departamento de Cirugía, Universitat de Barcelona, Barcelona, Spain
| | - David Saavedra-Pérez
- Cirugía General y Digestiva, ICMDiM, Hospital Clínic de Barcelona, Barcelona, Spain
| | - Ada Ferrer
- Servicio de Cirugía Maxilofacial, Hospital Clínic Barcelona, Barcelona, Spain
| | - Carles Martí
- Servicio de Cirugía Maxilofacial, Hospital Clínic Barcelona, Barcelona, Spain
| | - José Ferrer Rebolleda
- Servicio Medicina Nuclear Ascires, Hospital General Universitario de Valencia, Valencia, Spain
| | | | - Jhon Orozco-Cortés
- Servicio de Medicina Nuclear, Hospital Clínico Universitario de Valencia, Barcelona, Spain
| | - Berta Díaz-Feijóo
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Instituto Clínic de Ginecología, Obstetricia y Neonatología (ICGON), Hospital Clínic Barcelona, Barcelona, Spain; Departamento de Cirugía, Universitat de Barcelona, Barcelona, Spain
| | - Aida Niñerola-Baizán
- Servicio de Medicina Nuclear, Hospital Clínic Barcelona, Barcelona, Spain; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Centro de Investigación Biomédica en Red de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), ISCIII, Madrid, Spain; Departamento de Biomedicina, Facultad de Medicina, Universitat de Barcelona, Barcelona, Spain
| | - Renato Alfredo Valdés Olmos
- Department of Radiology, Section of Nuclear Medicine & Interventional Molecular Imaging Laboratory, Leiden University Medical Center, Leiden, The Netherlands
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Panda S, Nath A, Thakar A, Kumar R, Seenu V, Sikka K, Singh CA, Kumar R. In-vivo lymphoscintigraphy of sinonasal tumors identifies retropharyngeal node and level I as predominant sentinel nodes. Rev Esp Med Nucl Imagen Mol 2023; 42:374-379. [PMID: 37399973 DOI: 10.1016/j.remnie.2023.06.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 06/22/2023] [Accepted: 06/23/2023] [Indexed: 07/05/2023]
Abstract
OBJECTIVE To evaluate by in- vivo lymphoscintigraphy and SPECT-CT imaging, the lymphatic drainage patterns of para-nasal sinus(PNS) tumors. To confirm or refute the belief of the retropharyngeal lymph node (RPLN) being the significant draining lymph node for such tumors. METHODS Prospective cohort study conducted on previously untreated PNS tumors with no clinico-radiological evidence of lymph node metastasis. Lymphoscintigraphy undertaken by nasal endoscopic assisted peritumoral injection of 99mTc Sulfur colloid. Injections were classified as anterior or posterior as per a vertical line along the maxillary sinus ostium. RESULTS 17 patients were included. Lymphoscintigraphy successfully identified 17 sentinel nodes in 15 patients and was unsuccessful (lymphoscintigraphy failure) in 2 patients. Predominant sites of sentinel lymphatic drainage were noted to be the RPLN (n = 8; 47%), and Level I (n = 7; 42%). Occasional drainage was identified at the peri-parotid node(n = 1) and at Level II (n = 1). Contralateral drainage was noted in 2 patients (level I-1 and RPLN-1). Anterior injections drained predominantly to Level I (6/8) and RPLN (2/8), while posterior injections drained predominantly to the RPLN ( 6/7). The relative risk of RPLN being identified as the sentinel node was significantly higher for posteriorly placed injections than for anteriorly placed injections (RR- 3.43; 95% CI-1.0-11.8, p = 0.05). CONCLUSION The RPLN is noted as a frequent draining node for sino-nasal tumours and merits routine attention in all sino-nasal tumors. The radio-colloid SPECT-CT technique described here offers an excellent in-vivo technique to further explore and validate the lymphatic drainage pathways of these tumours.
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Affiliation(s)
- S Panda
- Department of Otorhinolaryngology, Head, Neck Surgery, All India Institute of Medical Sciences, New Delhi, India
| | - A Nath
- Department of Plastic Surgery, Himalayan Institute of Medical Sciences, Dehradun, India
| | - A Thakar
- Department of Otorhinolaryngology and Head and Neck Surgery, All India Institute of Medical Sciences, New Delhi, India.
| | - R Kumar
- Department of Nuclear Medicine, All India Institute of Medical Sciences, New Delhi, India
| | - V Seenu
- Department of Surgical Discipline, All India Institute of Medical Sciences, New Delhi, India
| | - K Sikka
- Department of Otorhinolaryngology and Head and Neck Surgery, All India Institute of Medical Sciences, New Delhi, India
| | - C A Singh
- Department of Otorhinolaryngology and Head and Neck Surgery, All India Institute of Medical Sciences, New Delhi, India
| | - R Kumar
- Department of Otorhinolaryngology and Head and Neck Surgery, All India Institute of Medical Sciences, New Delhi, India
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Abecia Martínez EI, Sanromán AC, Leon L, Monge LS, Zarza BE. Misleading images of ductal carcinoma in situ: 4 lymph nodes with metastasis. Rev Esp Patol 2023; 56:252-260. [PMID: 37879822 DOI: 10.1016/j.patol.2023.08.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 08/24/2023] [Accepted: 08/31/2023] [Indexed: 10/27/2023]
Abstract
Since sentinel lymph node examination became routine, findings of benign ectopic breast tissue in lymph nodes have increased. We report images of ductal carcinoma in situ (DCIS) in four lymph nodes in a 76-year-old woman with bilateral breast carcinoma. The right lumpectomy showed intermixed invasive lobular and ductal carcinoma, plus DCIS. 19 nodes were isolated in the axillary lymphadenectomy, 4 of which displayed solid and cribriform DCIS. Myosin and p63 immunohistochemical techniques were positive, suggesting an erroneous diagnosis of "metastatic DCIS". A further three cases of DCIS in lymph nodes have been previously reported, all with a distinct layer of myoepithelial cells with actin, myosin or p63. Biologically, these images of DCIS in lymph nodes are not credible and three major hypotheses have been proposed to explain these findings: Iatrogenic Mechanical Transport, Revertant DCIS, and primary DCIS of lymph nodes. We consider the first one the most plausible explanation. Our case is unique as several, rare findings are simultaneously observed. More new cases, together with additional immunohistochemical techniques and molecular testing on previous cases, are needed to find a definitive explanation of this histologic finding.
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Affiliation(s)
| | | | - Liliana Leon
- Hospital Universitario Miguel Servet (Pathology), Zaragoza, Spain
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de la Riva Pérez PA, Carrera Salazar D, Paredes Barranco P, Goñi Gironés E. Survey of the Radioguided Surgery Working Group (GTCRG-RGSWG) of the Spanish Society of Nuclear Medicine and Molecular Imaging (SEMNIM): Radioguided localization of non-palpable breast lesions with or without indication for selective sentinel node biopsy: ROLL, SNOLL and 125I seeds. Rev Esp Med Nucl Imagen Mol 2022; 41:223-230. [PMID: 35668015 DOI: 10.1016/j.remnie.2022.05.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Accepted: 12/01/2021] [Indexed: 10/18/2022]
Abstract
OBJECTIVE To know the current status of the technique of radioguided localisation of non-palpable breast lesions with or without indication for selective sentinel node biopsy -ROLL, SNOLL and 125I seeds- by conducting a national survey developed by the Working Group on Radioguided Surgery (GTCRG) of the Spanish Society of Nuclear Medicine and Molecular Imaging (SEMNIM). MATERIAL AND METHODS In October 2020, the form was sent in digital format to the different nuclear medicine services in Spain. A response time of 2 months with an overtime of 15 days was given. The number of ROLL/SNOLL procedures in each centre and the methodology used were obtained, including important technical details. In addition, a specific section on 125I seeds was included. The results were automatically downloaded into an Excel 2007 spreadsheet for subsequent analysis with the same program. RESULTS The survey was answered by 55 centres; 21 use wire-guided localisation while the remaining 34 use different radioguided surgery techniques (RGS) for the localisation of non-palpable breast lesions, with the results itemized into thirteen sections. The commonly used tracer dose is 111 MBq for the ROLL technique and 222 MBq for the SNOLL technique, with a volume of 0.2 ml. The most common protocol is the two-day protocol. 26% of centres performing CRG use 125I seeds for both breast lesion and suspicious/pathological node detection, with the time between implantation and removal being about 3 days, with subsequent radiological control in most cases. CONCLUSION The survey shows the relevance of radioguided surgery in the management of breast cancer patients at different stages of the disease, with disparity in the implementation of new techniques and tools, which responds to the multiple healthcare realities of Nuclear Medicine services.
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Affiliation(s)
- P A de la Riva Pérez
- Servicio de Medicina Nuclear, Hospital Universitario Virgen Macarena, Sevilla, Spain; Grupo de Trabajo de Cirugía Radioguiada (GTCRG) de la Sociedad Española de Medicina Nuclear e Imagen Molecular (SEMNIM), Spain.
| | - D Carrera Salazar
- Servicio de Medicina Nuclear, Hospital Universitario Joan XXIII de Tarragona, Tarragona, Spain; Grupo de Trabajo de Cirugía Radioguiada (GTCRG) de la Sociedad Española de Medicina Nuclear e Imagen Molecular (SEMNIM), Spain
| | - P Paredes Barranco
- Servicio de Medicina Nuclear, Hospital Clínic Barcelona, Barcelona, Spain; Grupo de Trabajo de Cirugía Radioguiada (GTCRG) de la Sociedad Española de Medicina Nuclear e Imagen Molecular (SEMNIM), Spain
| | - E Goñi Gironés
- Servicio de Medicina Nuclear, Hospital Universitario de Navarra, Pamplona, Navarra, Spain; Grupo de Trabajo de Cirugía Radioguiada (GTCRG) de la Sociedad Española de Medicina Nuclear e Imagen Molecular (SEMNIM), Spain
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Fuertes Manuel J, Kohan S, Jordà Solé M, Mateu Hidalgo I, Miralles Curto M, Aguiló Sagristà O, Aguilar Alomá E, Peña González K, Lafuerza Torres A, Melé Olivé M, Repkova J, Montero Jaime MJ, Gumà Padró J. Patients with initial nodal involvement due to breast cancer who have received neoadjuvant chemotherapy: Combined sentinel node-radioguided surgery of the pathological node. Rev Esp Med Nucl Imagen Mol 2022; 41:284-291. [PMID: 35597764 DOI: 10.1016/j.remnie.2022.05.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 12/21/2021] [Accepted: 12/26/2021] [Indexed: 11/19/2022]
Abstract
OBJECTIVE To study the feasibility and usefulness of ultrasound-guided pre-chemotherapy marking of pathologic lymph node followed by sentinel lymph node biopsy (SLNB)-pathologic node radioguided biopsy (ROLL) combined technique, in axillary involvement breast cancer patients undergoing neoadjuvant chemotherapy (NACT). MATERIAL AND METHODS Prospective diagnostic study of 30 patients with breast cancer and cN1 axillary staging with NACT indication. Before NACT, the biopsied node was marked with a clip (MBN). After NACT an ultrasound was performed and in case of good response a SLNB (99mTc-nanocolloids) plus targeted axillary dissection MBN ROLL biopsy (99mTc-albumin macroaggregates) was performed. Axillary lymph node dissection (ALND) was performed if SLNB and/or MBN were positive for tumor cells. The localization-removal rate of the sentinel lymph node (SLN) and MBN were evaluated. False-negative rate (FNR) and positive predictive value (PPV) of SLNB alone were also evaluated. RESULTS Thirty patients were included in the study. SLN could be detected in all patients while MBN was successfully removed in 27 (90%). The SLN coincided with MBN in 15 patients (50%). In 12 patients SLNB was negative while MBN positive, leading to a FNR of 44.4% for SLNB alone. We found a PPV of 37% for the SLNB. In 5 patients (18.5%) both SLNB and MBN were negative, avoiding ALND. CONCLUSIONS SLNB-MBN radioguided biopsy ROLL combined technique is a useful and accessible procedure for accurate axillary restaging after NACT, avoiding the high rate of FNR of SLNB alone in this group of patients and avoiding a great number of ALND.
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Affiliation(s)
- J Fuertes Manuel
- Medicina Nuclear-Diagnóstico por Imagen, Hospital Universitari Sant Joan de Reus, Reus, Tarragona, Spain; Universitat Rovira i Virgili (URV), Tarragona, Spain.
| | - S Kohan
- Radiodiagnóstico-Diagnóstico por Imagen, Hospital Universitari Sant Joan de Reus, Reus, Tarragona, Spain
| | - M Jordà Solé
- Ginecología y Obstetricia, Hospital Universitari Sant Joan de Reus, Reus, Tarragona, Spain; Universitat Rovira i Virgili (URV), Tarragona, Spain
| | - I Mateu Hidalgo
- Ginecología y Obstetricia, Hospital Universitari Sant Joan de Reus, Reus, Tarragona, Spain; Universitat Rovira i Virgili (URV), Tarragona, Spain
| | - M Miralles Curto
- Ginecología y Obstetricia, Hospital Universitari Sant Joan de Reus, Reus, Tarragona, Spain
| | - O Aguiló Sagristà
- Ginecología y Obstetricia, Hospital Universitari Sant Joan de Reus, Reus, Tarragona, Spain
| | - E Aguilar Alomá
- Ginecología y Obstetricia, Hospital Universitari Sant Joan de Reus, Reus, Tarragona, Spain
| | - K Peña González
- Anatomía Patológica, Hospital Universitari Sant Joan de Reus, Reus, Tarragona, Spain; Universitat Rovira i Virgili (URV), Tarragona, Spain
| | - A Lafuerza Torres
- Oncología Radioterápica, Hospital Universitari Sant Joan de Reus, Reus, Tarragona, Spain; Universitat Rovira i Virgili (URV), Tarragona, Spain
| | - M Melé Olivé
- Oncología Médica, Hospital Universitari Sant Joan de Reus, Reus, Tarragona, Spain
| | - J Repkova
- Oncología Médica, Hospital Universitari Sant Joan de Reus, Reus, Tarragona, Spain; Universitat Rovira i Virgili (URV), Tarragona, Spain; Institut d'Investigació Sanitària Pere Virgili (IISPV), Tarragona, Spain
| | - M J Montero Jaime
- Radiodiagnóstico-Diagnóstico por Imagen, Hospital Universitari Sant Joan de Reus, Reus, Tarragona, Spain; Universitat Rovira i Virgili (URV), Tarragona, Spain
| | - J Gumà Padró
- Oncología Médica, Hospital Universitari Sant Joan de Reus, Reus, Tarragona, Spain; Universitat Rovira i Virgili (URV), Tarragona, Spain; Institut d'Investigació Sanitària Pere Virgili (IISPV), Tarragona, Spain; Institut d'Oncologia de la Catalunya Sud (IOCS), Reus, Tarragona, Spain
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Serrano Del Moral Á, Pérez Viejo E, Castaño Pascual Á, Llorente Herrero E, Rodríguez Caravaca G, Duran Poveda M, Pereira Pérez F. Usefulness of histological superstudy of sentinel lymph nodes detected with radioisotopes in colon cancer. Rev Esp Med Nucl Imagen Mol 2021; 40:358-366. [PMID: 34752369 DOI: 10.1016/j.remnie.2021.03.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Accepted: 12/16/2020] [Indexed: 11/29/2022]
Abstract
INTRODUCTION Adjuvant chemotherapy (CT) significally reduces the rate of relapse in +pN (stage III) colon cancer (CC) and in some pN0 (stage II) with risk factors such as pT4, vascular invasion V1, perineural invasion Pn1, and complicated tumors. However, unexpectedly, 20%-30% of pN0 present a relapse in the follow-up, which may suggest that the lymph node involvement was not discovered in the conventional histological study (CS), and its finding with a superstudy (SS) could increase the number of patients who would benefit from neoadjuvant CT. It is not possible to perform this SS in every lymph node (LN) from the specimen, but it is possible in a small group of LN which are representative of the N status (definition of sentinel node SN). The aim of our work is to state the representativeness of the SN and to analyze de number of patients who are suprastaged after the SS of the SN. MATERIAL AND METHODS Prospective study of a series of patients who have undergone curative surgery for CC, to whom we perform selective biopsy of sentinel node (SBDN). Identification of SN was carried out with in vivo injection of the radiotracer, with ex vivo isolation of SN. Once the specimen is out, we take pictures of the surgical bed to rule out the presence of aberrant drainage routes, out of the routine oncological resection area. We performed the histological CS (Hematoxilin-Eosin stain (H-E) in conventional sections) in the rest of the LN from the mesocolon. In the SN we performed the CS and a SS with H-E in serial sections, immunohistochemistry (IHC) and molecular study with OSNA® (One Step Nucleic Acid Amplification). Diagnostic validity study od SBSN was carried out, defining the false negative (FN) as the negativity of the SN while other LN are positive (N+), as well as a valuation of the suprastaging due to the SS of the SN. RESULTS We performed lymphatic map in 72 patients, finding the SN in 62 of them (87.3%). The 9 identification failures happened in the first 17 cases. We have not found aberrant drainage routes. A total of 1.164 LN were studied in the 62 patients (18.8 LN/patient), from which 145 are SN (2,34 SN/patient), having found 103 positive LN with the CS and 112 positive with the SS of SN (9+ LN more in 8 patients than detected with the CS). Positivity after CS in the SN group is 17.24% (25/145), while it is 8.53% in the rest (87/1.019) (P < .001). With the CS, 50% of the patients (31/62) were pN+ (4 are N+ exclusively in the SN), and after the SS of the SN, only 1 of the 31 pN0 patients (3.2%) becomes pN1a, with a definitive 51.6% of N+ in the whole series (32 N+ in the 62 patients) (5 are N+ exclusively in the SN). Exclusively with the SS of the SN, FN rate ("-SN, +others", meaning patients who are N+ having -SN) is 54.8% (17/31). With the SS of the SN, 8 of the 62 patients (12.9%) increase their total number of +LN: apart from the patient who turns from pN0 to pN1a, suprastaging from IIA to IIIB (and therefore increasing the total number of pN+ to 32), 5 of the 17 FN in the CS turns into positive (2 change the pN subindex and one is suprastaged from IIIB to IIIC), decreasing FN to 37.5% (12/32 cases). Besides, 2 patients whose SN is already positive in the CS increase the number of +SN after the SS of the SN, therefore both changing their pN subindex and one of them suprastaging from IIIB to IIIC. In summary, 8 patients increase the total number of positive SN after the SS (8/62, 12.9%), 5 of them changing the pN subindex (5/62, 12.9%), even if only 3 of them get suprastaged (3/62, 4.8%), among them the one who turns from pN0 to pN1a. CONCLUSION Technique is valid and reproducible, with a high detection rate even with a high learning curve. It globally increases the number of affected LN in 12.9% of patients, having prognostic implications in 4.8% (suprastaging rate). Only 3.2% of pN0 patients in the CS turn to be +pN after the SS of the SN, with its therapeutic implications (prescription of adjuvant CT), which could be relevant when extrapolated to a big number of patients. The high FN rate (37.5%) prevents us from accepting the representativeness of SN as the global N status, but it is not clinically relevant in CC, as its aim is not to avoid lymphadenectomy, which remains mandatory (opposite to breast cancer or melanoma in which SN detection decides upon whether to perform or not the lymphadenectomy), but to decide which patients would benefit from adjuvant CT.
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Affiliation(s)
- Á Serrano Del Moral
- Servicio de Cirugía General y del Aparato Digestivo, Hospital Universitario de Fuenlabrada, Fuenlabrada, Madrid, Spain.
| | - E Pérez Viejo
- Servicio de Cirugía General y del Aparato Digestivo, Hospital Universitario de Fuenlabrada, Fuenlabrada, Madrid, Spain
| | - Á Castaño Pascual
- Servicio de Anatomía Patológica, Hospital Universitario de Fuenlabrada, Madrid, Spain
| | - E Llorente Herrero
- Unidad de Medicina Nuclear, Hospital Universitario de Fuenlabrada, Madrid, Spain
| | - G Rodríguez Caravaca
- Unidad de Medicina Preventiva, Hospital Universitario Fundación de Alcorcón, Madrid, Spain
| | - M Duran Poveda
- Servicio de Cirugía General y del Aparato Digestivo, Hospital Universitario Rey Juan Carlos de Móstoles, Madrid, Spain
| | - F Pereira Pérez
- Servicio de Cirugía General y del Aparato Digestivo, Hospital Universitario de Fuenlabrada, Fuenlabrada, Madrid, Spain
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Lloret-Durà MA, Panach-Navarrete J, Mata-Cano D, Martínez-Jabaloyas JM. [Penile Cancer: A case for non-lymph node disease following a negative sentinel node exploration.]. ARCH ESP UROL 2021; 74:265-268. [PMID: 33650543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
OBJECTIVE To describe the case of a patient with subcutaneous inguinal recurrence of penile cancer without lymph node involvement. METHODS Description of a clinical case and review of the literature on the subject. RESULTS We present the case of a 72-year-old man with penile cancer and extranodal inguinal extension that affected subcutaneous cell tissue, with a history of negative sentinel lymph node and subsequently without invasion of the regional lymph nodes in lymphadenectomy after chemotherapy. The patient presented disease progression despite multimodal treatment. CONCLUSION Extranodal inguinal involvement in penile cancer may occur despite a history of negative sentinel lymph node. The evolution of the patient we presented was disastrous despite the multimodal treatment carried out.
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Affiliation(s)
- Marcos Antonio Lloret-Durà
- Servicio de Urología, Hospital Clínico Universitario de Valencia. Facultat de Medicina i Odontologia. Universitat de València
| | - Jorge Panach-Navarrete
- Servicio de Urología, Hospital Clínico Universitario de Valencia. Facultat de Medicina i Odontologia. Universitat de València
| | - Daniel Mata-Cano
- Servicio de Anatomía Patológica. Hospital Clínico Universitario de Valencia. Valencia. España
| | - José María Martínez-Jabaloyas
- Servicio de Urología, Hospital Clínico Universitario de Valencia. Facultat de Medicina i Odontologia. Universitat de València
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Serrano Del Moral Á, Pérez Viejo E, Castaño Pascual Á, Llorente Herrero E, Rodríguez Caravaca G, Durán Poveda M, Pereira Pérez F. Usefulness of histological superstudy of sentinel node detected with radioisotope in colon cancer. Rev Esp Med Nucl Imagen Mol 2021; 40:S2253-654X(21)00017-2. [PMID: 33642258 DOI: 10.1016/j.remn.2020.12.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 12/12/2020] [Accepted: 12/16/2020] [Indexed: 11/21/2022]
Abstract
INTRODUCTION Adjuvant chemotherapy (CT) significally reduces the rate of relapse in +pN (stage III) colon cancer and in some pN0 (stage II) with risk factors such as pT4, vascular invasion V1, perineural invasion Pn1, and complicated tumors. However, unexpectedly, 20-30% of pN0 present a relapse in the follow-up, which may suggest that the lymph node involvement was not discovered in the conventional histological study (CS), and its finding with a superstudy (SS) could increase the number of patients who would benefit from neoadjuvant CT. It is not possible to perform this SS in every lymph node (LN) from the specimen, but it is possible in a small group of LN which are representative of the N status (definition of sentinel node SN). The aim of our work is to state the representativeness of the SN and to analyze de number of patients who are suprastaged after the SS of the SN. MATERIAL AND METHODS Prospective study of a series of patients who have undergone curative surgery for colon cancer, to whom we perform selective biopsy of sentinel node. Identification of SN was carried out with in vivo injection of the radiotracer, with ex vivo isolation of SN. Once the specimen is out, we take pictures of the surgical bed to rule out the presence of aberrant drainage routes, out of the routine oncological resection area. We performed the histological CS (hematoxilin-eosin stain in conventional sections) in the rest of the LN from the mesocolon. In the SN we performed the CS and a SS with hematoxilin-eosin in serial sections, immunohistochemistry (IHC) and molecular study with One Step Nucleic Acid Amplification (OSNA®). Diagnostic validity study od selective biopsy of sentinel node was carried out, defining the false negative (FN) as the negativity of the SN while other LN are positive (N+), as well as a valuation of the suprastaging due to the SS of the SN. RESULTS We performed lymphatic map in 72 patients, finding the SN in 62 of them (87.3%). The 9 identification failures happened in the first 17 cases. We have not found aberrant drainage routes. A total of 1.164 LN were studied in the 62 patients (18.8 LN/ patient), from which 145 are SN (2,34 SN/ patient), having found 103 positive LN with the CS and 112 positive with the SS of SN (9 +LN more in 8 patients than detected with the CS). Positivity after CS in the SN group is 17.24% (25/145), while it is 8.53% in the rest (87/1.019) (p<.001). With the CS, 50% of the patients (31/62) were pN+ (4 are N+ exclusively in the SN), and after the SS of the SN, only 1 of the 31 pN0 patients (3.2%) becomes pN1a, with a definitive 51.6% of N+ in the whole series (32 N+ in the 62 patients) (5 are N+ exclusively in the SN). Exclusively with the SS of the SN, FN rate ("-SN, +others", meaning patients who are N+ having -SN) is 54.8% (17/31). With the SS of the SN, 8 of the 62 patients (12.9%) increase their total number of +LN: apart from the patient who turns from pN0 to pN1a, suprastaging from IIA to IIIB (and therefore increasing the total number of pN+ to 32), 5 of the 17 FN in the CS turns into positive (2 change the pN subindex and one is suprastaged from IIIB to IIIC), decreasing FN to 37.5% (12/32 cases). Besides, 2 patients whose SN is already positive in the CS increase the number of +SN after the SS of the SN, therefore both changing their pN subindex and one of them suprastaging from IIIB to IIIC. In summary, 8 patients increase the total number of positive SN after the SS (8/62, 12.9%), 5 of them changing the pN subindex (5/62, 12.9%), even if only 3 of them get suprastaged (3/62, 4.8%), among them the one who turns from pN0 to pN1a. CONCLUSION Technique is valid and reproducible, with a high detection rate even with a high learning curve. It globally increases the number of affected LN in 12.9% of patients, having prognostic implications in 4.8% (suprastaging rate). Only 3.2% of pN0 patients in the CS turn to be +pN after the SS of the SN, with its therapeutic implications (prescription of adjuvant CT), which could be relevant when extrapolated to a big number of patients. The high FN rate (37.5%) prevents us from accepting the representativeness of SN as the global N status, but it is not clinically relevant in colon cancer, as its aim is not to avoid lymphadenectomy, which remains mandatory (opposite to breast cancer or melanoma in which SN detection decides upon whether to perform or not the lymphadenectomy), but to decide which patients would benefit from adjuvant CT.
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Affiliation(s)
- Á Serrano Del Moral
- Servicio de Cirugía General y del Aparato Digestivo, Hospital Universitario de Fuenlabrada, Fuenlabrada, Madrid, España.
| | - E Pérez Viejo
- Servicio de Cirugía General y del Aparato Digestivo, Hospital Universitario de Fuenlabrada, Fuenlabrada, Madrid, España
| | - Á Castaño Pascual
- Servicio de Anatomía Patológica, Hospital Universitario de Fuenlabrada, Madrid, España
| | - E Llorente Herrero
- Unidad de Medicina Nuclear, Hospital Universitario de Fuenlabrada, Madrid, España
| | - G Rodríguez Caravaca
- Unidad de Medicina Preventiva, Hospital Universitario Fundación de Alcorcón, Madrid, España
| | - M Durán Poveda
- Servicio de Cirugía General y del Aparato Digestivo, Hospital Universitario Rey Juan Carlos de Móstoles, Madrid, España
| | - F Pereira Pérez
- Servicio de Cirugía General y del Aparato Digestivo, Hospital Universitario de Fuenlabrada, Fuenlabrada, Madrid, España
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Hernández-Cortés G, Fuertes S, Martínez V, Rubio M, Vera U, Murillo R, González-Cortijo L, Del Cerro E, Mohedano R, Sainz de la Cuesta R. MRI guided ROLL/SNOLL in breast cancer patients treated with neoadjuvant chemotherapy. Rev Esp Med Nucl Imagen Mol 2021; 40:91-9. [PMID: 33191151 DOI: 10.1016/j.remn.2020.09.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 09/17/2020] [Accepted: 09/17/2020] [Indexed: 11/23/2022]
Abstract
PURPOSE To describe the results of MRI (magnetic resonance image) guided ROLL (radioguided occult lesion localization) and SNOLL (sentinel node occult lesion localization) in the localization of residual disease after neoadjuvant chemotherapy for breast cancer, as well as assessing the surgical results obtained and disease free survival. METHODS Prospective observational analysis of 132 patients with 136 tumors, treated with neoadjuvant chemotherapy at our hospital between 2011-2017. Residual disease was located presurgically with MRI guided ROLL/SNOLL technique. We analyzed technical aspects of localization, and variables corresponding to surgical procedures and events occurred during follow-up. RESULTS The median tumor size was of 20.5mm (interquartilic range [IQR]: 14-28). The majority (96.3%) were invasive ductal carcinomas. Sentinel lymph node detection rate was 98.9%. Complete pathological response (CPR) in the breast was achieved in 58.1% of cases. The rate of affected margins in 89 cases operated by conservative surgery was 2.2%. With a median follow-up of 50 months (IQR: 37-61) we found a 7.4% rate of relapses. Of these, seven were loco-regional and three at distant sites. The estimated mean of disease-free survival time was 83.2 months (Confidence Interval [CI] 95%: 79.6-86.6). CONCLUSIONS MRI guided ROLL/SNOLL is a great tool for breast cancer residual disease localization following neoadjuvant chemotherapy. In addition, this technique attains good loco-regional control of the diseases and has excellent surgical results.
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Ramírez Backhaus M, Calatrava-Fons A, Gómez-Ferrer Á, Collado-Serra A, Domínguez-Escrig JL, Bertolo R, Rubio-Briones J. [ICG lymphography and fluorescence in pelvic lymphadenectomy for bladder and prostate cancer.]. ARCH ESP UROL 2019; 72:831-841. [PMID: 31579042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
OBJECTIVE ICG navigation in cancer surgery may help during pelvic lymphadenectomy. METHODS We performed a systematic review combining the terms: bladder cancer or radical cystectomy and ICG, and prostate cancer or radical prostatectomy and ICG. We used the PRISMA guidelines recommendations. We describe the populations studied in each work, the pathological results, as well as the parameters specificity, sensitivity and predictive values. RESULTS In muscle-invasive bladder cancer, 4 case series analyzed the performance of lymphography with ICG. The most accepted injection method is under endoscopic vision. Several punctures are done in the submucosa and the detrusor surrounding the scar. Sentinel nodes were found in up to 92% of patients with a technique sensitivity to find metastases of 88% in the series with largest casuistry. In prostate cancer, we collected data from 11 case series. Nine of them apply transrectal or transperineal dilution immediately before surgery. Sensitivity in the detection of all adenopathies ranged between 44% and 100%. The sensitivity of the technique to know the lymph node stage ranges between 67% and 100%. CONCLUSIONS There is little experience of ICG-guided lymph node dissedction in bladder tumors. Endoscopic fluorophore injection allows us to find the nodes that drain the infiltrated area. However, the use of this technique is not widespread. In prostate cancer, it is a reproducible and efficient technique for staging patients with prostate cancer.
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Martínez-Sarmiento M, Pérez-Ardavin J, Monserrat-Monfort JJ, Sánchez-González JV, Sopena-Novales P, Bello-Arqués P, Olivas-Arroyo C, Vera-Donoso CD, Boronat-Tormo F. [Sentinel lymph node selective biopsy in prostate cancer.]. ARCH ESP UROL 2019; 72:842-850. [PMID: 31579043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
OBJECTIVE To validate the sentinel lymph node selective biopsy (SLNSB) in the staging of Prostate Cancer with Briganti Index > 5 by comparison with extended lymphadenectomy (ePLND) in a prospective longitudinal study. METHODS SLNSB has been performed in 84 patients, the first 70 by injection of nanocoloids marked with Tc99m and preoperative SPECT-CT, and in the last 14 with mixed radiotracer (99mTc + ICG). After laparoscop ic removal of sentinel nodes all patients underwent an ePLND. RESULTS SPECT-CT showed radiotracer deposits outside the territory of the ePLND in 76% of patients and laparoscopic gamma probe in 57%. The median number of sentinel nodes removed was 5.2 with a total average number of lymph nodes removed of 22. In all cases with metastatic nodes (28% in the series) there was at least one positive sentinel node but metastatic sentinel nodes outside of the territory of the ePLND were found in 6/24 patients (25%). The sensitivity, specificity, PPV and NPV of 99mTc were 100%, 96.07%, 90.47% and 100%, respectively. In 5 out of 14 patients with mixed radiotracer, lymph node involvement was detected. In all of them there was at least one sentinel node affected with 99mTc, and only 3 showed fluorescence with 100% sensitivity and 100% NPV for 99mTc and 60% sensitivity and 77.77% NPV for ICG. CONCLUSION The SLNSB with 99mTc has a high sensitivity and a VPN of 100%, increasing the identification of lymphatic metastases outside the territory of the ePLND. Fluorescence can facilitate the visualization of the sentinel nodes when they have been previously located by the SPECT-CT, although the sensitivity and the NPV of the ICG are lower than that of the 99mTc.
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Affiliation(s)
| | - Javier Pérez-Ardavin
- Servicios de Urología. Hospital Universitario y Politécnico La Fe de Valencia. Valencia. España
| | | | | | - Pablo Sopena-Novales
- Medicina Nuclear. Hospital Universitario y Politécnico La Fe de Valencia. Valencia. España
| | - Pilar Bello-Arqués
- Medicina Nuclear. Hospital Universitario y Politécnico La Fe de Valencia. Valencia. España
| | - Consuelo Olivas-Arroyo
- Medicina Nuclear. Hospital Universitario y Politécnico La Fe de Valencia. Valencia. España
| | - César David Vera-Donoso
- Servicios de Urología. Hospital Universitario y Politécnico La Fe de Valencia. Valencia. España
| | - Francisco Boronat-Tormo
- Servicios de Urología. Hospital Universitario y Politécnico La Fe de Valencia. Valencia. España
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Iglesias-Pena N, Paradela S, Tejera-Vaquerizo A, Boada A, Fonseca E. Cutaneous Melanoma in the Elderly: Review of a Growing Problem. Actas Dermosifiliogr (Engl Ed) 2019; 110:434-447. [PMID: 31101317 DOI: 10.1016/j.ad.2018.11.009] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Revised: 10/26/2018] [Accepted: 11/04/2018] [Indexed: 12/14/2022] Open
Abstract
Cutaneous melanoma (CM) causes more deaths than any other skin tumor, and incidence and mortality rates have risen in recent years, especially in patients of advanced age. There are differences in the biological behavior of CM tumors in the elderly as well as differential management of the disease, evidently influenced by such factors as limited life expectancy, the high incidence of concomitant conditions in older patients, and issues of quality of life unrelated to CM itself. We review relevant current literature on the epidemiology, etiology, pathogenesis, and immunology of CM as well as research on the clinical features, prevention, and management of these tumors in the elderly.
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Affiliation(s)
- N Iglesias-Pena
- Servicio de Dermatología, Complejo Hospitalario Universitario de A Coruña, A Coruña, España
| | - S Paradela
- Servicio de Dermatología, Complejo Hospitalario Universitario de A Coruña, A Coruña, España
| | - A Tejera-Vaquerizo
- Servicio de Dermatología, Instituto Dermatológico GlobalDerm, Palma del Río, Córdoba, España.
| | - A Boada
- Servicio de Dermatología, Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona, Badalona, Barcelona, España
| | - E Fonseca
- Servicio de Dermatología, Complejo Hospitalario Universitario de A Coruña, A Coruña, España
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España MI, Signorini F, Marani M, Alcaraz A, Reimondez S, Romero ME, Obeide L. Efficacy and reproducibility of lymphatics mapping technique with sentinel lymph node biopsy in melanoma. CIR CIR 2019; 87:241-246. [PMID: 30768073 DOI: 10.24875/ciru.18000439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Introduction The study of the Sentinel Lymph Node (SLN) in Melanoma is a procedure that aims the identification of the first node to which the affected cutaneous sector drains in order to avoid unnecessary lymphadenectomies. The present study documents the frequency of identification of SLN; the relationship between positive SLN (PSLN) and recurrence, between the Breslow index (BI) and PSLN, and between BI and disease recurrence. Method We analyzed the records of 148 patients with melanoma stages I and II undergoing lymphatic mapping and GC biopsy from 1999 to 2017 in a third level institution in Córdoba, Argentina. We performed preoperative lympho centellography, lymphatic mapping with combined technique and SLN biopsy. Postoperative controls were established in order to detect recurrences. Results SLN was identified in 145 patients (97.9%), being positive in 25 cases (17.2%). Recurrence was detected in 10 (8.3%) patients with negative SLN (NSLN), and in 2 (9.09%) with PSLN (p = 0.188). The median BI was 2 mm in PCG patients and 1.2 mm in GCN patients (p = 0.002). The mean BI in patients with recurrence was 2.77 mm, and 2.01 mm in those who did not show relapse (p = 0.311). Conclusions The combined technique allows a high GC identification rate. A greater tendency to recurrence was observed in the presence of CPG. A statistically significant relationship between GCP and IB was found. The GC technique is effective and replicable in our environment.
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Affiliation(s)
- Manuel I España
- Hospital Privado Universitario de Córdoba, Córdoba, Argentina
| | | | - Marcos Marani
- Hospital Privado Universitario de Córdoba, Córdoba, Argentina
| | - Alvaro Alcaraz
- Hospital Privado Universitario de Córdoba, Córdoba, Argentina
| | | | | | - Lucio Obeide
- Hospital Privado Universitario de Córdoba, Córdoba, Argentina
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Valhondo-Rama R, Wakfie-Corieh CG, Rodríguez Gallo EA, Pérez-Castejón MJ, Brenes Sánchez JM, Herrera de la Muela M, Carreras-Delgado JL. Contralateral axillary sentinel lymph node drainage in breast cancer: Controversies and management according to the literature. A case report. Rev Esp Med Nucl Imagen Mol 2019; 38:316-319. [PMID: 30723043 DOI: 10.1016/j.remn.2018.11.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2018] [Revised: 11/05/2018] [Accepted: 11/08/2018] [Indexed: 11/25/2022]
Abstract
Lymphoscintigraphy in breast cancer usually shows lymphatic drainage to the ipsilateral axilla. Drainage to extraaxillary or contralateral axillary regions is rare and there is still controversy about its management. Due to the significant clinical impact of an accurate staging, a literature research is made based on a case of a patient with recurrence of left breast cancer with contralateral axillary sentinel lymph node detection, without evidence of lymphatic drainage to other locations.
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Affiliation(s)
- R Valhondo-Rama
- Servicio de Medicina Nuclear, Hospital Clínico San Carlos, Madrid, España.
| | - C G Wakfie-Corieh
- Servicio de Medicina Nuclear, Hospital Clínico San Carlos, Madrid, España
| | | | - M J Pérez-Castejón
- Servicio de Medicina Nuclear, Hospital Clínico San Carlos, Madrid, España
| | - J M Brenes Sánchez
- Unidad de Patología Mamaria, Servicio de Ginecología y Obstetricia, Hospital Clínico San Carlos, Madrid, España
| | - M Herrera de la Muela
- Unidad de Patología Mamaria, Servicio de Ginecología y Obstetricia, Hospital Clínico San Carlos, Madrid, España
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Tamayo Carabaño D, Álvarez Pérez R, De Bonilla Damiá Á, Acevedo Bañez I, Pachón Garrudo VM, Jiménez-Hoyuela García JM. Sentinel lymph node biopsy in N+ breast cancer with conversion into N0 after neoadjuvant chemotherapy. Rev Esp Med Nucl Imagen Mol 2018; 38:140-146. [PMID: 30594445 DOI: 10.1016/j.remn.2018.11.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Revised: 11/14/2018] [Accepted: 11/23/2018] [Indexed: 01/13/2023]
Abstract
OBJECTIVE Sentinel lymph node biopsy (SLNB) usefulness in breast carcinoma N+ converted to N0 after neoadjuvant chemotherapy (NC). MATERIAL AND METHODS Descriptive study including 16 females with infiltrating carcinoma with lymphatic metastasis confirmed by biopsy, leaving a metallic marker (MM) in pathological lymph nodes (LN). All patients underwent NC reaching a complete radiological response in LN. Lymphoscintigraphy was performed after 99mTc nanocoloid injection, obtaining planar images and SPECT/CT. Lymphatic drainage and concordance of sentinel node (SN) with MM was analyzed. RESULTS SN was visualized in lymphoscintigraphy in 93.7% of cases. The SN coincided with the MM in 12/15 cases on SPECT/CT. The SLNB technique was completed on 14/16 patients, intraoperatively locating the GC in all of them. The SN was negative in 10 cases, 3 cases presented macrometastases and 1 micrometastases. Axillary lymphadenectomy (AL) was performed in a case of macrometastasis with>15,000cp/μARNm CK-19, absence of drainage and in one case that showed no coincidence with the MM due different Berg's level location. These last two cases presented lymph node metastasis. In the other two cases with not coincidence between the SN and the MM, a total of 4 lymph nodes were removed, showing no evidence of metastasis. Patients without AL were followed up for an average of 10 months (range 6-17), with no evidence of lymph node involvement. CONCLUSION SLNB in breast cancer with conversion into N0 after neoadjuvant treatment is a technique with good results and a low false negative rate.
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Affiliation(s)
- D Tamayo Carabaño
- Servicio de Medicina Nuclear, Hospital Universitario Virgen del Rocío, Sevilla, España.
| | - R Álvarez Pérez
- Servicio de Medicina Nuclear, Hospital Universitario Virgen del Rocío, Sevilla, España
| | - Á De Bonilla Damiá
- Servicio de Medicina Nuclear, Hospital Universitario Virgen del Rocío, Sevilla, España
| | - I Acevedo Bañez
- Servicio de Medicina Nuclear, Hospital Universitario Virgen del Rocío, Sevilla, España
| | - V M Pachón Garrudo
- Servicio de Medicina Nuclear, Hospital Universitario Virgen del Rocío, Sevilla, España
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Abstract
Most patients with cutaneous melanoma present with clinical stage 1 at diagnosis, i.e., with no evidence of lymph node or systemic metastases. However, since this is a type of neoplasm with high affinity to lymphatic tissue, between 30 and 60% of patients are estimated to have occult metastases on the lymph nodes of the area that drains the primary tumor site at the moment of diagnosis. This possibility depends on several histologic factors, especially thickness of the neoplasm. Historically, in order to reduce the rate of regional recurrence, lymphadenectomy was an essential part of cutaneous melanoma treatment, which has associated morbidity. In the decade of 1990, Morton et al. reported that lymph is initially received by a single lymph node in the lymphatic basin and that its histological status predicts the status of the others and that, therefore, in patients with sentinel lymph node free of metastases lymphadenectomy is not necessary, which reduces morbidity. In the present manuscript, indications, contraindications and requirements for sentinel lymph node identification are described, as well as its current value in cutaneous melanoma diagnostic and therapeutic process.
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Vidal-Sicart S, Vera DR, Valdés Olmos RA. Next generation of radiotracers for sentinel lymph node biopsy: What is still necessary to establish new imaging paradigms? Rev Esp Med Nucl Imagen Mol 2018; 37:373-379. [PMID: 30409688 DOI: 10.1016/j.remn.2018.09.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Revised: 09/08/2018] [Accepted: 09/13/2018] [Indexed: 01/16/2023]
Abstract
Sentinel lymph node (SLN) biopsy is now the standard of care for regional staging in several solid tumors. The interstitial administration of a radiotracer around the primary tumor provide the possibility to sequentially obtain images with a gamma camera and visualize lymphatic mapping and the SLN. There is, however, a large geographical variability in those radiotracers and nanocolloids ranging from 15-100nm which are most widely employed in Europe, while filtered and unfiltered 99mTc-sulfur colloid (range 20-1000nm) is usually used in the USA with different drawbacks in its use. The new radiotracer 99mTc-Tilmanocept, designed specifically for the identification of SLNs and recently becoming commercially available in USA and Europe, appears to have the potency to overcome the shortcomings described for the conventional radiotracers used until now for SLN biopsy and at the same time to transform current imaging paradigms. After delineating the challenges for the next generation of radiotracers, this paper discusses the properties of 99mTc-Tilmanocept, its validation process for SLN biopsy and its emerging clinical applications in various malignancies.
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Affiliation(s)
- S Vidal-Sicart
- Servei de Medicina Nuclear, Hospital Clínic, Barcelona, España; Servei de Medicina Nuclear, IMI, Parc de Salut Mar, Barcelona, España.
| | - D R Vera
- Department of Radiology, University of California San Diego (UCSD), San Diego, California, Estados Unidos
| | - R A Valdés Olmos
- Interventional Molecular Imaging Laboratory and Nuclear Medicine Section, Department of Radiology, Leiden University Medical Center, Leiden, Países Bajos
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Vidal-Sicart S, Valdés Olmos R, Nieweg OE, Faccini R, Grootendorst MR, Wester HJ, Navab N, Vojnovic B, van der Poel H, Martínez-Román S, Klode J, Wawroschek F, van Leeuwen FWB. From interventionist imaging to intraoperative guidance: New perspectives by combining advanced tools and navigation with radio-guided surgery. Rev Esp Med Nucl Imagen Mol 2018; 37:28-40. [PMID: 28780044 DOI: 10.1016/j.remn.2017.06.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Revised: 06/04/2017] [Accepted: 06/13/2017] [Indexed: 02/06/2023]
Abstract
The integration of medical imaging technologies into diagnostic and therapeutic approaches can provide a preoperative insight into both anatomical (e.g. using computed tomography, magnetic resonance imaging, or ultrasound), as well as functional aspects (e.g. using single photon emission computed tomography, positron emission tomography, lymphoscintigraphy, or optical imaging). Moreover, some imaging modalities are also used in an interventional setting (e.g. computed tomography, ultrasound, gamma or optical imaging) where they provide the surgeon with real-time information during the procedure. Various tools and approaches for image-guided navigation in cancer surgery are becoming feasible today. With the development of new tracers and portable imaging devices, these advances will reinforce the role of interventional molecular imaging.
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Affiliation(s)
- S Vidal-Sicart
- Nuclear Medicine Department, Hospital Clínic Barcelona, Barcelona, España.
| | - R Valdés Olmos
- Interventional Molecular Imaging Laboratory, Department of Radiology, Leiden University Medical Centre, Leiden, Países Bajos; Nuclear Medicine Section, Department of Radiology, Leiden University Medical Centre, Leiden, Países Bajos; Department of Nuclear Medicine, Diagnostic Oncology Division, The Netherlands Cancer Institute - Antoni van Leeuwenhoek Hospital, Amsterdam, Países Bajos
| | - O E Nieweg
- Melanoma Institute Australia, North Sydney, Nueva Gales del Sur, Australia; Central Medical School, The University of Sydney, Sydney, Nueva Gales del Sur, Australia
| | - R Faccini
- Physics Department, University of Rome La Sapienza, Rome, ItalyhIFNF Roma, Roma, Italia; IFNF Roma, Roma, Italia
| | | | - H J Wester
- Chair of Pharmaceutical Radiochemistry, Technical University Munich, Munich, Alemania
| | - N Navab
- Institute of Informatics, Technical University of Munich, Munich, Alemania
| | - B Vojnovic
- Department of Oncology, Cancer Research UK and Medical Research Council, Oxford Institute for Radiation Oncology, University of Oxford, Oxford, Reino Unido
| | - H van der Poel
- Urology Department, Netherlands Cancer Institute - Antoni van Leeuwenhoek Hospital, Amsterdam, Países Bajos
| | - S Martínez-Román
- Obstetrics and Gynaecology Department, University Hospital Germans Trias i Pujol, Badalona, Barcelona, España
| | - J Klode
- Clinic for Dermatology, University Hospital Essen, Essen, Alemania
| | - F Wawroschek
- Urology Department, Oldenburg Clinic, Oldenburg, Alemania
| | - F W B van Leeuwen
- Interventional Molecular Imaging Laboratory, Department of Radiology, Leiden University Medical Centre, Leiden, Países Bajos
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Morgado-Carrasco D, Combalia A, Fustà-Novell X, Ferrandiz L. RF-Immediate Lymph Node Dissection on Detection of Sentinel Lymph Node Involvement Does Not Increase Survival in Cutaneous Melanoma. Actas Dermosifiliogr (Engl Ed) 2017; 109:267-268. [PMID: 29074143 DOI: 10.1016/j.ad.2017.07.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2017] [Revised: 07/03/2017] [Accepted: 07/03/2017] [Indexed: 11/16/2022] Open
Affiliation(s)
- D Morgado-Carrasco
- Servicio de Dermatología, Hospital Clínic de Barcelona, Barcelona, España.
| | - A Combalia
- Servicio de Dermatología, Hospital Clínic de Barcelona, Barcelona, España
| | - X Fustà-Novell
- Servicio de Dermatología, Hospital Clínic de Barcelona, Barcelona, España
| | - L Ferrandiz
- Servicio de Dermatología, Hospital Clínic de Barcelona, Barcelona, España
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Cremades M, Torres M, Solà M, Navinés J, Pascual I, Mariscal A, Caballero A, Castellà E, Luna MÁ, Julián JF. Secondary node analysis as an indicator for axillary lymphadenectomy in breast cancer patients. Cir Esp 2017; 95:536-541. [PMID: 29033071 DOI: 10.1016/j.ciresp.2017.08.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2017] [Revised: 08/15/2017] [Accepted: 08/18/2017] [Indexed: 11/19/2022]
Abstract
INTRODUCTION Currently, there is no agreement regarding if it would be necessary to perform an axillary lymph node dissection (ALND) in patients who have macrometastases in the sentinel lymph node (SLN). We studied the utility of the secondary node analysis (SN), defined as the following node after the SLN in an anatomical and lymphatic pathway, as a sign of malignant axillary involvement. METHODS An observational, retrospective and multicentre study was designed to assess the utility of the SN as a sign of axillary involvement. Among 2273 patients with breast cancer, a valid sample of 283 was obtained representing those who had the SN studied. Main endpoints of our study were: the SLN, the SN and the ALND histological pattern. Sensitivity, specificity and precision of the test were also calculated. RESULTS SN test, in cases with positive SLN, has a sensitivity of 61.1%, a specificity of 78.7%, a positive predictive value of 45.8% and a negative predictive value of 87.3% with a precision of 74.7%. CONCLUSION The study of the SN together with the technique of the SLN allows a more precise staging of the axillary involvement, in patients with breast cancer, than just the SLN technique.
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Affiliation(s)
- Manel Cremades
- Cirugía General y Digestiva, Hospital Germans Trias i Pujol, Badalona, España.
| | - Mireia Torres
- Cirugía General y Digestiva, Hospital General de Catalunya, Sant Cugat del Vallés, España
| | - Montse Solà
- Medicina Nuclear, Hospital Germans Trias i Pujol, Badalona
| | - Jordi Navinés
- Cirugía General y Digestiva, Hospital Germans Trias i Pujol, Badalona, España
| | - Icíar Pascual
- Cirugía General y Digestiva, Hospital Germans Trias i Pujol, Badalona, España
| | | | - Albert Caballero
- Cirugía General y Digestiva, Hospital Germans Trias i Pujol, Badalona, España
| | - Eva Castellà
- Anatomía Patológica, Hospital Germans Trias i Pujol, Badalona, España
| | - Miguel Ángel Luna
- Ginecología y Obstetricia, Hospital Germans Trias i Pujol, Badalona, España
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González Ó, Zafon C, Caubet E, García-Burillo A, Serres X, Fort JM, Mesa J, Castell J, Roca I, Ramón Y Cajal S, Iglesias C. Selective sentinel lymph node biopsy in papillary thyroid carcinoma in patients with no preoperative evidence of lymph node metastasis. ACTA ACUST UNITED AC 2017; 64:451-455. [PMID: 28895542 DOI: 10.1016/j.endinu.2017.05.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Revised: 04/23/2017] [Accepted: 05/08/2017] [Indexed: 12/23/2022]
Abstract
INTRODUCTION Lymphadenectomy is recommended during surgery for papillary thyroid carcinoma when there is evidence of cervical lymph node metastasis (therapeutic) or in high-risk patients (prophylactic) such as those with T3 and T4 tumors of the TNM classification. Selective sentinel lymph node biopsy may improve preoperative diagnosis of nodal metastases. OBJECTIVE To analyze the results of selective sentinel lymph node biopsy in a group of patients with papillary thyroid carcinoma and no evidence of nodal involvement before surgery. PATIENTS AND METHOD A retrospective, single-center study in patients with papillary thyroid carcinoma and no clinical evidence of lymph node involvement who underwent surgery between 2011 and 2013. The sentinel node was identified by scintigraphy. When the sentinel node was positive, the affected compartment was removed, and when sentinel node was negative, central lymph node dissection was performed. RESULTS Forty-three patients, 34 females, with a mean age of 52.3 (±17) years, were enrolled. Forty-six (27%) of the 170 SNs resected from 24 (55.8%) patients were positive for metastasis. In addition, 94 (15.6%) out of the 612 lymph nodes removed in the lymphadenectomies were positive for metastases. Twelve of the 30 (40%) low risk patients (cT1N0 and cT2N0) changed their stage to pN1, whereas 12 of 13 (92%) high risk patients (cT3N0 and cT4N0) changed to pN1 stage. CONCLUSIONS Selective sentinel lymph node biopsy changes the stage of more than 50% of patients from cN0 to pN1. This confirms the need for lymph node resection in T3 and T4 tumors, but reveals the presence of lymph node metastases in 40% of T1-T2 tumors.
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Affiliation(s)
- Óscar González
- Unidad de Cirugía Endocrina, Servicio de Cirugía General, Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Barcelona, España
| | - Carles Zafon
- Servicio de Endocrinología y Nutrición, Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Barcelona, España; Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Instituto de Salud Carlos III, Madrid, España
| | - Enric Caubet
- Unidad de Cirugía Endocrina, Servicio de Cirugía General, Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Barcelona, España
| | - Amparo García-Burillo
- Servicio de Medicina Nuclear, Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Barcelona, España
| | - Xavier Serres
- Servicio de Radiología, Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Barcelona, España
| | - José Manuel Fort
- Unidad de Cirugía Endocrina, Servicio de Cirugía General, Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Barcelona, España
| | - Jordi Mesa
- Servicio de Endocrinología y Nutrición, Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Barcelona, España; Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Instituto de Salud Carlos III, Madrid, España.
| | - Joan Castell
- Servicio de Medicina Nuclear, Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Barcelona, España
| | - Isabel Roca
- Servicio de Medicina Nuclear, Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Barcelona, España
| | - Santiago Ramón Y Cajal
- Servicio de Anatomía Patológica, Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Barcelona, España; Grupo de Patología Molecular Traslacional, Institut de Recerca Vall d'Hebron, Barcelona, España
| | - Carmela Iglesias
- Servicio de Anatomía Patológica, Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Barcelona, España; Grupo de Patología Molecular Traslacional, Institut de Recerca Vall d'Hebron, Barcelona, España
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Ruano Pérez R, Rebollo Aguirre AC, García-Talavera San Miguel P, Díaz Expósito R, Vidal-Sicart S, Cordero García JM, Carrera Salazar D, Rioja Martín ME; Grupo de Trabajo de Cirugía Radioguiada de la SEMNIM. Review of the role of the sentinel node biopsy in neoadjuvant chemotherapy in women with breast cancer and negative or positive axillary node at diagnosis. Rev Esp Med Nucl Imagen Mol 2018; 37:63-70. [PMID: 28869178 DOI: 10.1016/j.remn.2017.06.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2017] [Revised: 06/04/2017] [Accepted: 06/29/2017] [Indexed: 02/06/2023]
Abstract
The role of the selective sentinel node biopsy (SNB) is increasing in relevance in breast cancer women with indication of neoadjuvant chemotherapy (NAC). The Radiosurgery Working Group of the SEMNIM is aware of the necessity of establishing the need for SNB before or after NAC, and also how to manage patients with axillary node-negative or node-positive. There is sufficient data to assess that the SNB with radioisotope techniques are feasible and safe in all these scenarios. An adequate axilla evaluation prior to surgery and the possibility of marking prior to NAC the nodes infiltrated must be the two main pillars to guarantee the success of the SNB. It has been shown that to incorporate the SNB in breast cancer women with indication of NAC increases the rate of a conservative treatment of the axilla that will be a clear benefit for these patients.
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Olmedo D, Brotons-Seguí M, Del Toro C, González M, Requena C, Traves V, Pla A, Bolumar I, Moreno-Ramírez D, Nagore E. Use of Lymph Node Ultrasound Prior to Sentinel Lymph Node Biopsy in 384 Patients with Melanoma: A Cost-Effectiveness Analysis. Actas Dermosifiliogr 2017; 108:931-938. [PMID: 28801012 DOI: 10.1016/j.ad.2017.06.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2017] [Revised: 04/26/2017] [Accepted: 06/02/2017] [Indexed: 10/19/2022] Open
Abstract
BACKGROUND AND OBJECTIVES Locoregional lymph node ultrasound is not typically included in guidelines as part of the staging process prior to sentinel lymph node biopsy (SLNB). The objective of the present study was to make a clinical and economic analysis of lymph node ultrasound prior to SLNB. MATERIALS AND METHODS We performed a retrospective study of 384 patients with clinical stage I-II primary melanoma who underwent locorregional lymph node ultrasound (with or without ultrasound-guided biopsy) prior to SLNB between 2004 and 2015. We evaluated the reliability and cost-effectiveness of the strategy. RESULTS Use of locorregional lymph node ultrasound avoided SLNB in 23 patients (6%). Ultrasound had a sensitivity of 46% and specificity of 76% for the detection of metastatic lymph nodes that were not clinically palpable. False negatives were significantly more common in patients aged over 60 years and in tumors with a thickness of less than 2mm. The staging process using SLNB and ultrasound with ultrasound-guided biopsy produced an increase of €16.30 in the unit price. Our cost-effectiveness analysis identified the staging protocol with ultrasound and SLNB as the dominant strategy, with a lower cost-effectiveness ratio than the alternative, consisting of SLNB alone (8,095.24 vs. €28,605.00). CONCLUSIONS Ultrasound with ultrasound-guided biopsy for the diagnostic staging of melanoma prior to SLNB is a useful and cost-effective tool. This procedure does not substitute SLNB, though it does allow to avoid SLNB in a not insignificant proportion of patients.
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Affiliation(s)
- D Olmedo
- Servicio de Dermatología, Instituto Valenciano de Oncología, Valencia, España
| | - M Brotons-Seguí
- Facultad de Medicina, Universidad Católica de Valencia, Valencia, España
| | - C Del Toro
- Servicio de Radiodiagnóstico, Instituto Valenciano de Oncología, Valencia, España
| | - M González
- Servicio de Radiodiagnóstico, Instituto Valenciano de Oncología, Valencia, España
| | - C Requena
- Servicio de Dermatología, Instituto Valenciano de Oncología, Valencia, España
| | - V Traves
- Servicio de Anatomía Patológica, Instituto Valenciano de Oncología, Valencia, España
| | - A Pla
- Servicio de Otorrinolaringología, Instituto Valenciano de Oncología, Valencia, España
| | - I Bolumar
- Servicio de Cirugía, Instituto Valenciano de Oncología, Valencia, España
| | - D Moreno-Ramírez
- Unidad de Gestión Clínica de Dermatología MQ, Hospital Universitario Virgen Macarena, Sevilla, España
| | - E Nagore
- Servicio de Dermatología, Instituto Valenciano de Oncología, Valencia, España.
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López-Prior V, Díaz-Expósito R, Casáns Tormo I. Influence of previous breast surgery in sentinel lymph node biopsy in patients with breast cancer. Rev Esp Med Nucl Imagen Mol 2017; 36:212-218. [PMID: 28359747 DOI: 10.1016/j.remn.2016.11.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2016] [Revised: 11/07/2016] [Accepted: 11/28/2016] [Indexed: 11/24/2022]
Abstract
AIM The aim of this study was to review the feasibility of selective sentinel lymph node biopsy in patients with previous surgery for breast cancer, as well as to examine the factors that may interfere with sentinel node detection. MATERIAL AND METHODS A retrospective review was performed on 91 patients with breast cancer and previous breast surgery, and who underwent sentinel lymph node biopsy. Patients were divided into two groups according to their previous treatment: aesthetic breast surgery in 30 patients (group I) and breast-conserving surgery in 61 (group II). Lymphoscintigraphy was performed after an intra-tumour injection in 21 cases and a peri-areolar injection in 70 cases. An analysis was made of lymphatic drainage patterns and overall sentinel node detection according to clinical, pathological and surgical variables. RESULTS The overall detection of the sentinel lymph node in the lymphoscintigraphy was 92.3%, with 7.7% of extra-axillary drainages. The identification rate was similar after aesthetic breast surgery (93.3%) and breast-conserving surgery (91.8%). Sentinel lymph nodes were found in the contralateral axilla in two patients (2.2%), and they were included in the histopathology study. The non-identification rate in the lymphoscintigraphy was 7.7%. There was a significantly higher non-detection rate in the highest histological grade tumours (28.6% grade III, 4.5% grade I and 3.6% grade II). CONCLUSION Sentinel lymph node biopsy in patients with previous breast surgery is feasible and deserves further studies to assess the influence of different aspects in sentinel node detection in this clinical scenario. A high histological grade was significantly associated with a lower detection.
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Affiliation(s)
- V López-Prior
- Servicio de Medicina Nuclear, Hospital Clínico Universitario de Valencia, Valencia, España.
| | - R Díaz-Expósito
- Servicio de Medicina Nuclear, Hospital Clínico Universitario de Valencia, Valencia, España
| | - I Casáns Tormo
- Servicio de Medicina Nuclear, Hospital Clínico Universitario de Valencia, Valencia, España
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Uribe-Etxebarria Lugariza-Aresti N, Barceló Galíndez R, Pac Ferrer J, Méndez Martín J, Genollá Subirats J, Casanova Viudez J. Biopsy of the sentinel node in lung cancer. Med Clin (Barc) 2017; 148:257-259. [PMID: 27993403 DOI: 10.1016/j.medcli.2016.10.034] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2016] [Revised: 10/10/2016] [Accepted: 10/13/2016] [Indexed: 11/26/2022]
Abstract
INTRODUCTION AND OBJECTIVE Mediastinal lymph node involvement can be understaged in cases of lung cancer (up to 20% in stage i). Sentinel node detection is a standard technique recommended in breast cancer and melanoma action guidelines, and could also be useful in cases of lung cancer. MATERIAL AND METHODS Considering the detection of the sentinel node in non-small cell lung cancer (NSCLC) as feasible, a prospective cohort study was carried out on 48 patients with resectable NSCLC, using the intraoperative injection of colloid sulphate technetium-99. RESULTS The radioisotope migrated in all cases. The procedure's sensitivity was 88.24%, its accuracy was 95.83%, its negative predictive value was 93.94% and the false negative rate was 11.76%. No complications were associated with this technique. CONCLUSIONS The detection of a sentinel node in NSCLC with the intraoperative injection of the isotope is feasible and safe, and allows for detection and sensitivity rates comparable to those of other tumour types.
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Affiliation(s)
| | - Ramón Barceló Galíndez
- Servicio de Oncología Médica, Hospital Universitario de Basurto, Bilbao, Vizcaya, España
| | - Joaquín Pac Ferrer
- Servicio de Cirugía Torácica, Hospital Universitario de Cruces, Barakaldo, Vizcaya, España
| | - Jaime Méndez Martín
- Servicio de Cirugía General, Hospital Universitario de Basurto, Bilbao, Vizcaya, España
| | - Jose Genollá Subirats
- Servicio de Medicina Nuclear, Hospital Universitario de Cruces, Barakaldo, Vizcaya, España
| | - Juan Casanova Viudez
- Servicio de Cirugía Torácica, Hospital Universitario de Cruces, Barakaldo, Vizcaya, España
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Monserrat-Monfort J, Martinez-Sarmiento M, Vera-Donoso C, Vera-Pinto V, Sopena-Novales P, Bello-Arqués P, Boronat-Tormo F. Beyond the Briganti nomogram: Individualisation of lymphadenectomy using selective sentinel node biopsy during radical prostatectomy for prostate cancer. Actas Urol Esp 2017; 41:23-31. [PMID: 27422080 DOI: 10.1016/j.acuro.2016.06.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2016] [Revised: 05/31/2016] [Accepted: 06/01/2016] [Indexed: 10/21/2022]
Abstract
OBJECTIVE To validate the technique of selective sentinel node biopsy for diagnosing and staging intermediate to high-risk prostate cancer by comparing the technique with conventional extended lymphadenectomy (eLFD) in a prospective, longitudinal comparative study. METHODS We applied the technique to 45 patients. After an intraprostatic injection of 99mTc-nanocolloid and preoperative single-photon emission computed tomography (SPECT/CT), we extracted the sentinel lymph nodes, guided by a portable Sentinella® gamma camera and a laparoscopic gamma-ray detection probe. The eLFD was completed to establish the negative predictive value of the technique. RESULTS SPECT/CT showed radiotracer deposits outside the eLFD territory in 73% of the patients and the laparoscopic gamma probe in 60%. The mean number of active foci per patient was 4.3 in the SPECT/CT and 3.2 in the laparoscopic gamma probe. The mean number of extracted sentinel lymph nodes was 4.3 (0-14), with 26% outside the eLFD territory. The lymph nodes were metastatic in 10 patients (22%), 6/40 (15%) when the prostatectomy was the primary treatment. In all cases with metastatic lymph nodes, there was at least one positive sentinel node. Metastatic sentinel lymph nodes were found outside the eLFD territory in 3/10 patients (30%). The sensitivity was 100%, the specificity was 94.73%, the positive predictive value was 81.81%, and the negative predictive value was 100%. CONCLUSION Selective sentinel node biopsy is superior to eLFD for diagnosing lymph node involvement and can avoid eLFD when metastatic sentinel lymph nodes are not found (85%), with the consequent functional advantages.
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Llombart B, Kindem S, Chust M. Merkel Cell Carcinoma: An Update of Key Imaging Techniques, Prognostic Factors, Treatment, and Follow-up. Actas Dermosifiliogr 2016; 108:98-107. [PMID: 27919405 DOI: 10.1016/j.ad.2016.07.021] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2016] [Revised: 07/01/2016] [Accepted: 07/29/2016] [Indexed: 02/06/2023] Open
Abstract
Merkel cell carcinoma, though rare, is one of the most aggressive tumors a dermatologist faces. More than a third of patients with this diagnosis die from the disease. Numerous researchers have attempted to identify clinical and pathologic predictors to guide prognosis, but their studies have produced inconsistent results. Because the incidence of Merkel cell carcinoma is low and it appears in patients of advanced age, prospective studies have not been done and no clear treatment algorithm has been developed. This review aims to provide an exhaustive, up-to-date account of Merkel cell carcinoma for the dermatologist. We describe prognostic factors and the imaging techniques that are most appropriate for evaluating disease spread. We also discuss current debates on treating Merkel cell carcinoma.
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Affiliation(s)
- B Llombart
- Servicio de Dermatología, Instituto Valenciano de Oncología, Valencia, España.
| | - S Kindem
- Servicio de Dermatología, Instituto Valenciano de Oncología, Valencia, España
| | - M Chust
- Servicio de Radioterapia, Instituto Valenciano de Oncología, Valencia, España
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Bowles H, Sánchez N, Tapias A, Paredes P, Campos F, Bluemel C, Valdés Olmos RA, Vidal-Sicart S. Radioguided surgery and the GOSTT concept: From pre-operative image and intraoperative navigation to image-assisted excision. Rev Esp Med Nucl Imagen Mol 2016; 36:175-184. [PMID: 27793632 DOI: 10.1016/j.remn.2016.09.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2016] [Revised: 09/11/2016] [Accepted: 09/13/2016] [Indexed: 10/20/2022]
Abstract
Radio-guided surgery has been developed for application in those disease scheduled for surgical management, particularly in areas of complex anatomy. This is based on the use of pre-operative scintigraphic planar, tomographic and fused SPECT/CT images, and the possibility of 3D reconstruction for the subsequent intraoperative locating of active lesions using handheld devices (detection probes, gamma cameras, etc.). New tracers and technologies have also been incorporated into these surgical procedures. The combination of visual and acoustic signals during the intraoperative procedure has become possible with new portable imaging modalities. In daily practice, the images offered by these techniques and devices combine perioperative nuclear medicine imaging with the superior resolution of additional optical guidance in the operating room. In many ways they provide real-time images, allowing accurate guidance during surgery, a reduction in the time required for tissue location and an anatomical environment for surgical recognition. All these approaches have been included in the concept known as (radio) Guided intraOperative Scintigraphic Tumour Targeting (GOSTT). This article offers a general view of different nuclear medicine and allied technologies used for several GOSTT procedures, and illustrates the crossing of technological frontiers in radio-guided surgery.
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Affiliation(s)
- H Bowles
- Department of Nuclear Medicine, University Hospital Clínic Barcelona, Barcelona, Spain
| | - N Sánchez
- Department of Nuclear Medicine, University Hospital Clínic Barcelona, Barcelona, Spain
| | - A Tapias
- Department of Nuclear Medicine, University Hospital Clínic Barcelona, Barcelona, Spain
| | - P Paredes
- Department of Nuclear Medicine, University Hospital Clínic Barcelona, Barcelona, Spain; Institut d'Investigacions Biomèdiques Agustí Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - F Campos
- Department of Nuclear Medicine, University Hospital Clínic Barcelona, Barcelona, Spain; Institut d'Investigacions Biomèdiques Agustí Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - C Bluemel
- Department of Nuclear Medicine, University Hospital of Wurzburg, Wurzburg, Germany
| | - R A Valdés Olmos
- Interventional Molecular Imaging Laboratory and Nuclear Medicine Section, Department of Radiology, Leiden University Medical Center, Leiden, The Netherlands; Department of Nuclear Medicine, The Netherlands Cancer Institute - Antoni van Leeuwenhoek Hospital, Amsterdam, The Netherlands
| | - S Vidal-Sicart
- Department of Nuclear Medicine, University Hospital Clínic Barcelona, Barcelona, Spain; Institut d'Investigacions Biomèdiques Agustí Pi i Sunyer (IDIBAPS), Barcelona, Spain.
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Mayoral M, Paredes P, Domènech B, Fusté P, Vidal-Sicart S, Tapias A, Torné A, Pahisa J, Ordi J, Pons F, Lomeña F. 18F-FDG PET/CT and sentinel lymph node biopsy in the staging of patients with cervical and endometrial cancer. Role of dual-time-point imaging. Rev Esp Med Nucl Imagen Mol 2016; 36:20-26. [PMID: 27667001 DOI: 10.1016/j.remn.2016.07.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2016] [Revised: 06/10/2016] [Accepted: 07/04/2016] [Indexed: 10/21/2022]
Abstract
OBJECTIVE Definitive staging for cervical (CC) and endometrial cancer (EC) takes place once surgery is performed. The aim of this study was to evaluate the role of PET/CT in detecting lymphatic metastasis in patients with CC and EC using dual-time-point imaging (DPI), taking the histopathological results of sentinel lymph node (SLN) and lymphadenectomy as the reference. MATERIAL AND METHODS A prospective study was conducted on 17 patients with early CC, and 13 patients with high-risk EC. The patients had a pre-operative PET/CT, MRI, SLN detection, and lymphadenectomy, when indicated. PET/CT findings were compared with histopathological results. RESULTS In the pathology study, 4 patients with CC and 4 patients with EC had lymphatic metastasis. PET/CT showed hypermetabolic nodes in 1 patient with CC, and 5 with EC. Four of these had metastasis, one detected in the SLN biopsy. Four patients who had negative PET/CT had micrometastasis in the SLN biopsy, 1 patient with additional lymph nodes involvement. The overall patient-based sensitivity, specificity, positive and negative predictive values, and accuracy of PET/CT to detect lymphatic metastasis was 20.0%, 100.0%, 100.0%, 87.9%, and 88.2%, respectively, in CC, and 57.1%, 88.9%, 66.7%, 84.2% and 80.0%, respectively, in EC. DPI showed higher retention index in malignant than in inflammatory nodes, although no statistically significant differences were found. CONCLUSIONS PET/CT has low sensitivity in lymph node staging of CC and EC, owing to the lack of detection of micrometastasis. Thus, PET/CT cannot replace SLN biopsy. Although no statistically significant differences were found, DPI may help to differentiate between inflammatory and malignant nodes.
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Affiliation(s)
- M Mayoral
- Nuclear Medicine Department, Hospital Clínic, Barcelona, Spain.
| | - P Paredes
- Nuclear Medicine Department, Hospital Clínic, Barcelona, Spain; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - B Domènech
- Nuclear Medicine Department, Hospital Clínic, Barcelona, Spain
| | - P Fusté
- Clinic Institute of Gynaecology, Obstetrics and Neonatology, Hospital Clinic, Barcelona, Spain
| | - S Vidal-Sicart
- Nuclear Medicine Department, Hospital Clínic, Barcelona, Spain; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - A Tapias
- Nuclear Medicine Department, Hospital Clínic, Barcelona, Spain
| | - A Torné
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Clinic Institute of Gynaecology, Obstetrics and Neonatology, Hospital Clinic, Barcelona, Spain
| | - J Pahisa
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Clinic Institute of Gynaecology, Obstetrics and Neonatology, Hospital Clinic, Barcelona, Spain
| | - J Ordi
- Pathology Department, Hospital Clinic, Barcelona, Spain; CRESIB (Centre de Recerca en Salut Internacional de Barcelona), Hospital Clinic, Barcelona, Spain
| | - F Pons
- Nuclear Medicine Department, Hospital Clínic, Barcelona, Spain; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - F Lomeña
- Nuclear Medicine Department, Hospital Clínic, Barcelona, Spain; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
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Riesco B, Cárdenas N, Sáez V, Torres G, Gallegos I, Dassori J, Saldías N. Merkel cell carcinoma of the eyelid. A series of 5 cases and review of the literature. Arch Soc Esp Oftalmol 2016; 91:56-64. [PMID: 26723858 DOI: 10.1016/j.oftal.2015.11.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2014] [Revised: 11/01/2015] [Accepted: 11/03/2015] [Indexed: 06/05/2023]
Abstract
OBJECTIVE Presentation of 5 clinical cases of Merkel cell carcinoma of the eyelid, highlighting the clinical, histopathological, management, and monitoring features. Review of related literature. METHODS Retrospective review of clinical records and telephone interview of the 5 patients treated for Merkel cell carcinoma between 2006 and 2013, in the Orbit and Oculoplastic Department, Clinical Hospital of the University of Chile. RESULTS Five patients (2 men, 3 women); 79.2 years (range 64-94 years), with a mean onset of 10 weeks (range 5-16 weeks), tumour size reaching a mean of 2.5×2×2.1cm at the time of surgery. Described as a nodular mass, exophytic, solid, reddish coloured. With no infiltrated lymph nodes or metastases in the first match. Staging as T2N0M0, after the first surgery with oncological criteria. Two lymph node recurrences detected during monitoring. Distant metastasis was found in one patient. The histopathological diagnosis was confirmed by immunohistochemical study of the biopsy. The surgical strategy was full excision, control of surgical margins in the intraoperative period, and eyelid reconstruction with Hughes flap, Cutler/Beard flap or primary closure, depending on the case. CONCLUSIONS Early diagnosis, wide excision of the tumour with intraoperative control of clear margins with conventional or Mohs surgery, and proper eyelid reconstruction are adequate for a good survival in elderly patients with this eyelid tumour. The study of sentinel lymph node biopsy in primary intervention is recommended; with subsequent radiotherapy to decrease the recurrence and increase survival.
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Affiliation(s)
- B Riesco
- Servicio de Oftalmología, Hospital Clínico de la Universidad de Chile J.J. Aguirre, Santiago, Chile.
| | - N Cárdenas
- Servicio de Oftalmología, Hospital Clínico de la Universidad de Chile J.J. Aguirre, Santiago, Chile
| | - V Sáez
- Servicio de Oftalmología, Hospital del Salvador, Santiago, Chile
| | - G Torres
- Servicio de Oftalmología, Hospital Clínico de la Universidad de Chile J.J. Aguirre, Santiago, Chile
| | - I Gallegos
- Servicio de Anatomía Patológica, Hospital Clínico Universidad de Chile, J.J. Aguirre, Santiago, Chile
| | - J Dassori
- Servicio de Oftalmología, Hospital Clínico de la Universidad de Chile J.J. Aguirre, Santiago, Chile
| | - N Saldías
- Servicio de Oftalmología, Hospital Clínico de la Universidad de Chile J.J. Aguirre, Santiago, Chile
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Bañuelos-Andrío L, Rodríguez-Caravaca G, López-Estebaranz JL, Rueda-Orgaz JA, Pinedo-Moraleda F. [Sentinel lymph node biopsy in melanoma: our experience over 8 years in a universitary hospital]. CIR CIR 2015; 83:378-85. [PMID: 26141108 DOI: 10.1016/j.circir.2015.05.032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2014] [Accepted: 02/19/2015] [Indexed: 11/28/2022]
Abstract
BACKGROUND Since the introduction of sentinel lymph node biopsy, its use as a standard of care for patients with clinically node-negative cutaneous melanoma remains controversial. Our experience of sentinel lymph node biopsy for melanoma is presented and evaluated. MATERIAL AND METHODS A cohort study was conducted on 69 patients with a primary cutaneous melanoma and with no clinical evidence of metastasis, who had sentinel lymph node biopsy from October-2005 to December-2013. Sentinel lymph node biopsy was identified using preoperative lymphoscintigraphy and subsequent intraoperative detection with gamma probe. RESULTS The sentinel lymph node biopsy identification rate was 98.5%. The sentinel lymph node biopsy was positive for metastases in 23 patients (33.8%). Postoperative complications after sentinel lymph node biopsy were observed in 4.4% compared to 38% of complications in patients who had complete lymphadenectomy. CONCLUSION The sentinel lymph node biopsy in melanoma offers useful information about the lymphatic dissemination of melanoma and allows an approximation to the regional staging, sparing the secondary effects of lymphadenectomy. More studies with larger number of patients and long term follow-up will be necessary to confirm the validity of sentinel lymph node biopsy in melanoma patients, and especially of lymphadenectomy in patients with positive sentinel lymph node biopsy.
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Affiliation(s)
- Luis Bañuelos-Andrío
- Unidad de Medicina Nuclear, Hospital Universitario Fundación Alcorcón, Madrid, España.
| | - Gil Rodríguez-Caravaca
- Servicio de Medicina Preventiva, Hospital Universitario Fundación Alcorcón, Madrid, España
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Vaz SC, Silva Â, Sousa R, Ferreira TC, Esteves S, Carvalho IP, Ratão P, Daniel A, Salgado L. Breast cancer lymphoscintigraphy: Factors associated with sentinel lymph node non visualization. Rev Esp Med Nucl Imagen Mol 2015; 34:345-9. [PMID: 25986344 DOI: 10.1016/j.remn.2015.03.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2015] [Revised: 03/21/2015] [Accepted: 03/24/2015] [Indexed: 10/23/2022]
Abstract
OBJECTIVE To evaluate factors associated with non identification of the sentinel lymph node (SLN) in lymphoscintigraphy of breast cancer patients and analyze the relationship with SLN metastases. MATERIAL AND METHODS A single-center, cross-sectional and retrospective study was performed. Forty patients with lymphoscintigraphy without sentinel lymph node identification (negative lymphoscintigraphy - NL) were enrolled. The control group included 184 patients with SLN identification (positive lymphoscintigraphy - PL). Evaluated factors were age, body mass index (BMI), tumor size, histology, localization, preoperative breast lesion hookwire (harpoon) marking and SLN metastases. The statistical analysis was performed with uni- and multivariate logistic regression models and matched-pairs analysis. RESULTS Age (p=0.036) or having BMI (p=0.047) were the only factors significantly associated with NL. Being ≥60 years with a BMI ≥30 increased the odds of having a NL 2 and 3.8 times, respectively. Marking with hookwire seems to increase the likelihood of NL, but demonstrated statistical significance is lacking (p=0.087). The other tested variables did not affect the examination result. When controlling for age, BMI and marking with the harpoon, a significant association between lymph node metastization and NL was not found (p=0.565). CONCLUSIONS The most important factors related with non identification of SLN in the patients were age, BMI and marking with hook wire. However, only the first two had statistical importance. When these variables were controlled, no association was found between NL and axillary metastases.
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Affiliation(s)
- S C Vaz
- Department of Nuclear Medicine of Portuguese Institute of Oncology, Lisbon Center, Portugal.
| | - Â Silva
- Department of Nuclear Medicine of Portuguese Institute of Oncology, Lisbon Center, Portugal
| | - R Sousa
- Department of Nuclear Medicine of Portuguese Institute of Oncology, Lisbon Center, Portugal
| | - T C Ferreira
- Department of Nuclear Medicine of Portuguese Institute of Oncology, Lisbon Center, Portugal
| | - S Esteves
- Clinical Research Unit of Portuguese Institute of Oncology, Lisbon Center, Portugal
| | - I P Carvalho
- Department of Nuclear Medicine of Portuguese Institute of Oncology, Lisbon Center, Portugal
| | - P Ratão
- Department of Nuclear Medicine of Portuguese Institute of Oncology, Lisbon Center, Portugal
| | - A Daniel
- Department of Nuclear Medicine of Portuguese Institute of Oncology, Lisbon Center, Portugal
| | - L Salgado
- Department of Nuclear Medicine of Portuguese Institute of Oncology, Lisbon Center, Portugal
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Chícharo de Freitas JR, KleinJan GH, van der Poel HG, van den Berg NS, Vegt E, Stokkel MP, Valdés Olmos RA. [Utility of SPECT/CT scan for anatomical localization of pararectal and presacral sentinel nodes in prostate cancer]. Rev Esp Med Nucl Imagen Mol 2015; 34:19-23. [PMID: 25448419 DOI: 10.1016/j.remn.2014.09.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2014] [Revised: 09/15/2014] [Accepted: 09/16/2014] [Indexed: 11/24/2022]
Abstract
AIM This study has aimed to evaluate the added value of SPECT-CT scan in the preoperative assessment of sentinel nodes of the presacral and pararectal regions localized outside the standard area of extended pelvic lymphadenectomy for the staging of the pelvis in prostate cancer. SPECT-CT scan can serve as a guide for the excision of these nodes by lymphadenectomy by open surgery or laparoscopy. MATERIAL AND METHODS We evaluated 4 patients with prostate cancer presenting sentinel nodes in the pararectal and presacral regions on SPECT-CT scan performed in addition to lymphoscintigraphy. These patients underwent lymphadenectomy with robot-assisted laparoscopy together with prostatectomy. All of the excised lymph nodes were sent for histopathology study. RESULTS An average of 6 sentinel nodes per patient were found on SPECT-CT scan with a mean of 2 sentinel nodes in presacral/pararectal región. Lymphadenectomy including these areas was performed. Pararectal/presacral sentinel nodes of all patients depicted by SPECT-CT scan were tumor free on histopathology study. Sentinel nodes (no pararectal/presacral) were positive for malignancy in only one patient. CONCLUSION Preoperative SPECT-CT scan is a useful tool to localize the sentinel nodes in pararectal/presacral regions. It can be an anatomic guide for new modalities of laparoscopic surgery such as robot-assisted procedures that can access the pelvic areas visualized with SPECT-CT scan, making excision of these nodes possible.
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Vidal-Sicart S, Vilalta Solsona A, Alonso Vargas MI. [Sentinel node in melanoma and breast cancer. Current considerations]. Rev Esp Med Nucl Imagen Mol 2015; 34:30-44. [PMID: 25455506 DOI: 10.1016/j.remn.2014.09.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2014] [Revised: 09/16/2014] [Accepted: 09/17/2014] [Indexed: 11/21/2022]
Abstract
The main objectives of sentinel node (SN) biopsy is to avoid unnecessary lymphadenectomies and to identify the 20-25% of patients with occult regional metastatic involvement. This technique reduces the associated morbidity from lymphadenectomy and increases the occult lymphatic metastases identification rate by offering the pathologist the or those lymph nodes with the highest probability of containing metastatic cells. Pre-surgical lymphoscintigraphy is considered a "road map" to guide the surgeon towards the sentinel nodes and to localize unpredictable lymphatic drainage patterns. The SPECT/CT advantages include a better SN detection rate than planar images, the ability to detect SNs in difficult to interpret studies, better SN depiction, especially in sites closer to the injection site and better anatomic localization. These advantages may result in a change in the patient's clinical management both in melanoma and breast cancer. The correct SN evaluation by pathology implies a tumoral load stratification and further prognostic implication. The use of intraoperative imaging devices allows the surgeon a better surgical approach and precise SN localization. Several studies reports the added value of such devices for more sentinel nodes excision and a complete monitoring of the whole procedure. New techniques, by using fluorescent or hybrid tracers, are currently being developed.
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Nogareda Z, Álvarez A, Perlaza P, Caparrós FX, Alonso I, Paredes P, Vidal-Sicart S. [Presence of intramammary lymph nodes in the preoperative lymphoscintigraphy to locate the sentinel lymph node. Clinical significance]. Rev Esp Med Nucl Imagen Mol 2014; 34:83-8. [PMID: 25434980 DOI: 10.1016/j.remn.2014.10.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2014] [Revised: 09/20/2014] [Accepted: 10/17/2014] [Indexed: 11/27/2022]
Abstract
OBJECTIVE The routes of lymphatic drainage from a breast cancer are the axilla (the most frequent) and the extra axillary regions. Among the latter, there are the so-called intrammamary lymph nodes (IMLN). This study has aimed to assess the incidence of IMLNs in our patients and study the evolution of these cases with IMLN in the lymphoscintigraphy. MATERIAL AND METHODS Thirty-eight patients (out of 1725) with IMLN in the pre-operative lymphoscintigraphy were assessed. During the surgical procedure, using a gamma probe, IMLNs were located and excised. After their harvesting, a meticulous surgical field scan was performed. When the axillary sentinel node was positive for metastasis, a complete axillary lymphadenectomy was performed. In those where the axillary sentinel node was negative and IMLN was positive (IMLN+), axillary lymphadenectomy was also performed, except for one case. RESULTS Thirty-four out of the 38 IMLNs were obtained (89.5%), because no lymphatic tissue was found in pathology analysis in three cases (8%) and in one patient (3%) IMLN was not found during surgery. Ten (26%) metastatic IMLNs were located and the remaining 24 IMLNs cases (63%) were metastasis-free. During the clinical follow-up, one patient with IMLN+ developed hepatic metastases. The remaining 33 patients did not present any recurrence. No follow-up data were available for three patients. CONCLUSIONS IMLN and axillary sentinel node biopsy are recommended when both are depicted in preoperative lymphoscintigraphy. The axilla treatment will only depend on the axillary sentinel node status. Based on the data from other authors and our own experience, avoiding the axillary lymphadenectomy when a metastatic IMLN without axillary involvement seems reasonable.
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Affiliation(s)
- Z Nogareda
- Servei de Medicina Nuclear (CDI), Hospital Clínic, Barcelona, España; Servicio de Medicina Nuclear, Hospital Universitario Central de Asturias (HUCA), Oviedo, España
| | - A Álvarez
- Servei de Medicina Nuclear (CDI), Hospital Clínic, Barcelona, España; Servicio de Medicina Nuclear, Hospital Universitario Central de Asturias (HUCA), Oviedo, España
| | - P Perlaza
- Servei de Medicina Nuclear (CDI), Hospital Clínic, Barcelona, España
| | - F X Caparrós
- Servei d'Obstetricia i Ginecologia (ICGON), Hospital Clínic, Barcelona, España
| | - I Alonso
- Servei d'Obstetricia i Ginecologia (ICGON), Hospital Clínic, Barcelona, España
| | - P Paredes
- Servei de Medicina Nuclear (CDI), Hospital Clínic, Barcelona, España
| | - S Vidal-Sicart
- Servei de Medicina Nuclear (CDI), Hospital Clínic, Barcelona, España.
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Pastushenko I, Conejero C, Carapeto FJ. Lymphangiogenesis: implications for diagnosis, treatment, and prognosis in patients with melanoma. Actas Dermosifiliogr 2014; 106:7-16. [PMID: 24890812 DOI: 10.1016/j.ad.2014.02.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2013] [Revised: 01/06/2014] [Accepted: 02/14/2014] [Indexed: 01/01/2023] Open
Abstract
Disease course in melanoma often cannot be accurately predicted by means of the prognostic factors usually considered in patients with melanoma; therefore, new factors are clearly needed. Increasingly robust scientific evidence shows that tumor lymph vessels play a key role in melanoma that metastasizes by lymphatic and hematogenous pathways. We review current knowledge and examine the implications of lymphangiogenesis in the diagnosis, treatment, and prognosis of patients with melanoma.
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Affiliation(s)
- I Pastushenko
- Servicio de Dermatología, Hospital Clínico Universitario Lozano Blesa, Zaragoza, España.
| | - C Conejero
- Servicio de Dermatología, Hospital Clínico Universitario Lozano Blesa, Zaragoza, España
| | - F J Carapeto
- Facultad de Medicina, Universidad de Zaragoza, Zaragoza, España
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Pallarés-Segura JL, Balague-Pons C, Dominguez-Agustin N, Martinez C, Hernandez P, Bollo J, Targarona-Soler EM, Trias-Folch M. The role of sentinel lymph node in colon cancer evolution. Cir Esp 2014; 92:670-5. [PMID: 24857609 DOI: 10.1016/j.ciresp.2014.01.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2013] [Revised: 01/21/2014] [Accepted: 01/22/2014] [Indexed: 01/01/2023]
Abstract
INTRODUCTION The aim of this study is to evaluate the sentinel lymph node mapping (SLNM) with methylene blue staining "ex vivo" in colon cancer, as well as calculate the upstaging obtained by the determination of micrometastases and its correlation with the evolution of the disease. METHODS Between 2008 and 2011, 101 patients with colon cancer undergoing resection were studied prospectively with SLNM and detection of micrometastases. The correlation of SLN micrometastases with the disease evolution was evaluated in patients with a follow-up of more than one year. RESULTS The SLNM rate was 92 cases (91%). Only SLN was positive for micrometastases in 9 cases, with a 14% upstaging. The incidence of false negatives was 9 patients (10%). Mean follow of N0 patients (n=74) was 38 months. The SLN- (negative) group (65 patients) had a recurrence rate of 4 patients (7%), whereas this rate was 2 patients (22%) in the group of SLN+(positive) (9 patients), but without significant differences. No differences in survival were observed. CONCLUSIONS SLNM is a reproducible technique without significant increase in time and costs. Upstaging was obtained in 14% of patients staged as N0 by conventional technique. At follow-up of N0 patients with SLN+there seems to be a higher rate of recurrence, which could change the guidelines of adjuvant treatment, but we must interpret the results it with caution because the sample is small.
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Affiliation(s)
| | - Carmen Balague-Pons
- Servicio de Cirugía General y Digestiva, Hospital de la Santa Creu i Sant Pau, Barcelona , España
| | | | - Carmen Martinez
- Servicio de Cirugía General y Digestiva, Hospital de la Santa Creu i Sant Pau, Barcelona , España
| | - Pilar Hernandez
- Servicio de Cirugía General y Digestiva, Hospital de la Santa Creu i Sant Pau, Barcelona , España
| | - Jesús Bollo
- Servicio de Cirugía General y Digestiva, Hospital de la Santa Creu i Sant Pau, Barcelona , España
| | | | - Manuel Trias-Folch
- Servicio de Cirugía General y Digestiva, Hospital de la Santa Creu i Sant Pau, Barcelona , España
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Ruano R, Ramos M, García-Talavera JR, Ramos T, Rosero AS, González-Orus JM, Sancho M. [Sentinel node biopsy after neoadjuvant chemotherapy in breast cancer. Its relation with molecular subtypes]. Rev Esp Med Nucl Imagen Mol 2014; 33:340-5. [PMID: 24856234 DOI: 10.1016/j.remn.2014.04.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2014] [Revised: 04/05/2014] [Accepted: 04/07/2014] [Indexed: 10/25/2022]
Abstract
OBJECTIVE To evaluate the influence of the molecular subtype (MS) in the Sentinel Node Biopsy (SNB) technique after neoadjuvant chemotherapy (NAC) in women with locally advanced breast cancer (BC) and a complete axillary response (CR). MATERIAL AND METHODS A prospective study involving 70 patients with BC treated with NAC was carried out. An axillary lymph node dissection was performed in the first 48 patients (validation group: VG), and in case of micro- or macrometastases in the therapeutic application phase (therapy group:TG). Classified according to MS: 14 luminal A; 16 luminal B HER2-, 13 luminal B HER2+, 10HER2+ non-luminal, 17 triple-negative. RESULTS SNB was carried out in 98.6% of the cases, with only one false negative result in the VG (FN=2%). Molecular subtype did not affect SN detection. Despite the existence of axillary CR, statistically significant differences were found in the proportion of macrometastasis (16.7% vs. 35.7%, p=0.043) on comparing the pre-NAC cN0 and cN+. Breast tumor response to NAC varied among the different MS, this being lowest in luminal A (21.5%) and highest in non-luminal HER2+ group (80%). HER2+ and triple-negative were the groups with the best axillary histological response both when there was prior clinical involvement and when there was not. CONCLUSIONS Molecular subtype is a predictive factor of the degree of tumor response to NAC in breast cancer. However, it does not affect SNB detection and efficiency. SNB can also be used safely in women with prior node involvement as long as a complete clinical and radiological assessment is made of the node response to NAC.
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Affiliation(s)
- R Ruano
- Servicio de Medicina Nuclear, Hospital Universitario de Salamanca, Salamanca, España.
| | - M Ramos
- Unidad de Patología Mamaria, Hospital Universitario de Salamanca, Salamanca, España
| | - J R García-Talavera
- Servicio de Medicina Nuclear, Hospital Universitario de Salamanca, Salamanca, España
| | - T Ramos
- Unidad de Patología Mamaria, Hospital Universitario de Salamanca, Salamanca, España
| | - A S Rosero
- Servicio de Medicina Nuclear, Hospital Universitario de Salamanca, Salamanca, España
| | - J M González-Orus
- Unidad de Patología Mamaria, Hospital Universitario de Salamanca, Salamanca, España
| | - M Sancho
- Servicio de Anatomía Patológica, Hospital Universitario de Salamanca, Salamanca, España
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Borbón-Arce M, Brouwer OR, van den Berg NS, Mathéron H, Klop WMC, Balm AJM, van Leeuwen FWB, Valdés-Olmos RA. An innovative multimodality approach for sentinel node mapping and biopsy in head and neck malignancies. Rev Esp Med Nucl Imagen Mol 2014; 33:274-9. [PMID: 24842707 DOI: 10.1016/j.remn.2013.11.005] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2013] [Revised: 11/26/2013] [Accepted: 11/27/2013] [Indexed: 10/25/2022]
Abstract
PURPOSE Recent innovations such as preoperative SPECT/CT, intraoperative imaging using portable devices and a hybrid tracer were evaluated in a multimodality approach for sentinel node (SN) mapping and biopsy in head and neck malignancies. MATERIAL AND METHODS The evaluation included 25 consecutive patients with head and neck malignancies (16 melanomas and 9 oral cavity squamous cell carcinomas). Patients were peritumorally injected with the hybrid tracer ICG-(99m)Tc-nanocolloid. SNs were initially identified with lymphoscintigraphy followed by single photon emission computed tomography (SPECT/CT) 2 hours after tracer administration. During surgery a portable gamma camera in combination with a near-infrared fluorescence camera was used in addition to a handheld gamma ray detection probe to locate the SNs. RESULTS In all patients the use of conventional lymphoscintigraphy, SPECT/CT and the additional help of the portable gamma camera in one case were able to depict a total of 67 SNs (55 of them visualized on planar images, 11 additional on SPECT/CT and 1 additional with the portable gamma camera). A total of 67 of the preoperatively defined SNs together with 22 additional SNs were removed intraoperatively; 12 out of the 22 additional SNs found during operation were located in the vicinity of the injection site in anatomical areas such as the periauricular or submental regions. The other 10 additional SNs were found by radioguided post-resection control of the excision SN site. CONCLUSION In the present series 26% additional SNs were found using the multimodal approach, that incorporates SPECT/CT and intraoperative imaging to the conventional procedure. This approach appears to be useful in malignancies located close to the area of lymphatic drainage such as the periauricular area and the oral cavity.
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Affiliation(s)
- M Borbón-Arce
- Servicio de Medicina Nuclear, Hospital Universitario Virgen Macarena, Sevilla, España; Department of Nuclear Medicine, The Netherlands Cancer Institute, Antoni van Leeuwenhoek Hospital, Amsterdam, The Netherlands.
| | - O R Brouwer
- Servicio de Medicina Nuclear, Hospital Universitario Virgen Macarena, Sevilla, España
| | - N S van den Berg
- Department of Nuclear Medicine, The Netherlands Cancer Institute, Antoni van Leeuwenhoek Hospital, Amsterdam, The Netherlands; Department of Radiology, Leiden University Medical Centre, Leiden, Netherlands
| | - H Mathéron
- Department of Nuclear Medicine, The Netherlands Cancer Institute, Antoni van Leeuwenhoek Hospital, Amsterdam, The Netherlands
| | - W M C Klop
- Department of Head & Neck Surgery and Oncology, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - A J M Balm
- Department of Head & Neck Surgery and Oncology, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - F W B van Leeuwen
- Department of Nuclear Medicine, The Netherlands Cancer Institute, Antoni van Leeuwenhoek Hospital, Amsterdam, The Netherlands; Department of Head & Neck Surgery and Oncology, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - R A Valdés-Olmos
- Department of Nuclear Medicine, The Netherlands Cancer Institute, Antoni van Leeuwenhoek Hospital, Amsterdam, The Netherlands; Department of Radiology, Leiden University Medical Centre, Leiden, Netherlands
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Mayoral M, Paredes P, Sieira R, Vidal-Sicart S, Marti C, Pons F. The added value of a portable gamma camera for intraoperative detection of sentinel lymph node in squamous cell carcinoma of the oral cavity: A case report. Rev Esp Med Nucl Imagen Mol 2014; 33:237-40. [PMID: 24581865 DOI: 10.1016/j.remn.2013.12.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2013] [Revised: 12/17/2013] [Accepted: 12/18/2013] [Indexed: 02/06/2023]
Abstract
The use of sentinel lymph node biopsy in squamous cell carcinoma of the oral cavity is still subject to debate although some studies have reported its feasibility. The main reason for this debate is probably due to the high false-negative rate for floor-of-mouth tumors per se. We report the case of a 54-year-old man with a T1N0 floor-of-mouth squamous cell carcinoma who underwent the sentinel lymph node procedure. Lymphoscintigraphy and SPECT/CT imaging were performed for lymphatic mapping with a conventional gamma camera. Sentinel lymph nodes were identified at right Ib, left IIa and Ia levels. However, these sentinel lymph nodes were difficult to detect intraoperatively with a gamma probe owing to the activity originating from the injection site. The use of a portable gamma camera made it possible to localize and excise all the sentinel lymph nodes. This case demonstrates the usefulness of this tool to improve sentinel lymph node detecting in floor-of-mouth tumors, especially those close to the injection area.
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Bañuelos Andrío L, Rodríguez Caravaca G, Argüelles Pintos M, Mitjavilla Casanova M. [Selective biopsy of the sentinel lymph node in breast cancer: without axillary recurrences after a mean follow-up of 4.5 years]. Rev Esp Med Nucl Imagen Mol 2014; 33:259-63. [PMID: 24560598 DOI: 10.1016/j.remn.2013.11.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2013] [Revised: 11/06/2013] [Accepted: 11/09/2013] [Indexed: 11/30/2022]
Abstract
OBJECTIVE To analyze the rate of axillary recurrences (AR) in patients with early breast cancer who had not undergone an axillary node dissection (ALND) because of a negative sentinel lymph node biopsy (SLNB). MATERIAL AND METHODS The study includes 173 patients operated on for breast cancer and selective node biopsy. In 32 patients the SLNB was positive and undergone subsequent ALND. We followed up 141 patients with negative SLNB without LDN, with a median follow up of 55 months (range 74-36). RESULTS The detection rate of SLN was of 99.42%. After a median follow-up of 4.5 years, there were no axillary recurrences. Two patients developed local recurrence, other two patients developed distant metastases and four patients developed a metachronous tumor. Four patients died, none of them because of breast cancer. CONCLUSIONS The results obtained support the SLNB as an accurate technique in the axillary stratification of patients with breast cancer, offering in the cases of negative SLNB a safe axillary control after 4.5 year follow-up.
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Affiliation(s)
- Luis Bañuelos Andrío
- Unidad de Medicina Nuclear, Hospital Universitario Fundación Alcorcón, Madrid, España.
| | - Gil Rodríguez Caravaca
- Servicio de Medicina Preventiva, Hospital Universitario Fundación Alcorcón, Madrid, España
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Piñero-Madrona A, Escudero-Barea MJ, Fernández-Robayna F, Alberro-Adúriz JA, García-Fernández A, Vicente-García F, Dueñas-Rodriguez B, Lorenzo-Campos M, Caparrós X, Cansado-Martínez MP, Ramos-Boyero M, Rojo-Blanco R, Serra-Genís C. Selective sentinel lymph node biopsy after neoadjuvant chemotherapy in breast cancer: results of the GEICAM 2005-07 study. Cir Esp 2015; 93:23-9. [PMID: 24560631 DOI: 10.1016/j.ciresp.2014.01.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2013] [Revised: 01/07/2014] [Accepted: 01/08/2014] [Indexed: 11/22/2022]
Abstract
INTRODUCTION A controversial aspect of breast cancer management is the use of sentinel lymph node biopsy (SLNB) in patients requiring neoadjuvant chemotherapy (NCT). This paper discusses the detection rate (DT) and false negatives (FN) of SLNB after NCT to investigate the influence of initial nodal disease and the protocols applied. METHODS Prospective observational multicenter study in women with breast cancer, treated with NCT and SLNB post-NCT with subsequent lymphadenectomy. DT and FN rates were calculated, both overall and depending on the initial nodal status or the use of diagnostic protocols pre-SLNB. RESULTS No differences in DT between initial node-negative cases and positive cases were found (89.8 vs. 84.4%, P=.437). Significant differences were found (94.1 vs. 56.5%, P=0,002) in the negative predictive value, which was lower when there was initial lymph node positivity, and a higher rate of FN, not significant (18.2 vs. 43.5%, P=.252) in the same cases. The axillary study before SLNB and after the NCT, significantly decreased the rate of FN in patients with initial involvement (55.6 vs 12.5, P=0,009). CONCLUSIONS NCT means less DT and a higher rate of FN in subsequent SLNB, especially if there is initial nodal involvement. The use of protocols in axillary evaluation after administering the NCT and before BSGC, decreases the FN rate in these patients.
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Bañuelos-Andrío L, Rodríguez-Caravaca G, Argüelles-Pintos M, Mitjavilla-Casanovas M. [Diagnostic validity of the intraoperative analysis in frozen section of the sentinel lymph node in the surgical management of breast cancer]. Rev Esp Med Nucl Imagen Mol 2014; 33:193-8. [PMID: 24139911 DOI: 10.1016/j.remn.2013.09.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2013] [Revised: 09/03/2013] [Accepted: 09/03/2013] [Indexed: 11/21/2022]
Abstract
OBJECTIVE The method for intraoperative sentinel lymph node (SLN) evaluation has still not been established in breast cancer staging. This study has evaluated the diagnostic validity and impact of intraoperative analysis using the frozen section (FS) of SLN. MATERIAL AND METHODS We performed a descriptive study of the diagnostic validity of the FS of the SLN in patients with breast cancer and selective sentinel node biopsy (SSNB) from October-2006 to October-2012. The diagnostic validity indexes were evaluated using sensitivity, specificity, positive and negative predictive values and global value. Gold standard was considered as the final histopathological results of the biopsies. RESULTS A total of 370 patients were studied. Sensitivity and specificity for detection of metastasis by FS in the SLN were 67% and 100%, respectively. Global diagnostic validity was 95%. There was a correlation between detection of metastasis and tumor size (p<0.05). Twelve of the 15 patients with SLN micro-metastases underwent axillary lymph node dissection (ALND). Metastatic lymph nodes were not found in any of them. CONCLUSIONS Intraoperative FS examination of the SLN is a useful and reliable predictor of axillary lymph node staging in patients with initial stages of breast cancer. FS reduces the need for second interventions, at least for most patients who have breast cancer with identifiable positive SLN and unequivocal evidence of positive lymph node disease.
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Martínez Castillo R, Fernández López R, Acevedo Bañez I, Alvarez Pérez RM, García Solis D, Vázquez Albertino R, Fernández Ortega P. [Utility of single photon emission computed tomography-computed tomography in selective sentinel lymph node biopsy in patients with melanoma]. Rev Esp Med Nucl Imagen Mol 2013; 33:129-35. [PMID: 24094375 DOI: 10.1016/j.remn.2013.07.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2013] [Revised: 07/16/2013] [Accepted: 07/17/2013] [Indexed: 11/15/2022]
Abstract
OBJECTIVE To assess the contribution of SPECT-CT lymphoscintigraphy in selective sentinel lymph node biopsy (SLNB) in patients with newly diagnosed malignant melanoma. MATERIAL AND METHODS A prospective study was made between July 2009 and October 2010. It included 63 patients diagnosed with melanoma (32 men and 31 women) with mean age of 55 years (range: 25-88) and inclusion criteria for SLNB. The melanomas were located as follows: 28 in trunk, 5 in head and neck, 16 in upper limbs and 17 in lower limbs. Three patients had two melanomas. Preoperative lymphoscintigraphy was performed after pericicatricial/perilesional injection of 74MBq of (99m)Tc-labeled nanocolloid human serum albumin, obtaining early planar images, late whole body study and sectorial images and SPECT-CT in the area of interest. Planar scintigraphy findings were compared with SPECT-CT. RESULTS The sentinel node (SN) was localized by planar imaging in 62/63 (98%) of patients. SPECT-CT study located the SN in all the patients with a detection rate of 100%. The number of SNs detected with SPECT-CT was higher than with the planar study in 27 patients. The SPECT-CT provided additional information (change in location and/or in its accuracy in the localization of location uncertain SN) in 14/63 (22.2%) patients, involving changes in the surgical approach and lymph node staging. CONCLUSION SPECT-CT detects a higher number of SN than planar lymphoscintigraphy in patients with melanoma. Its contribution is more relevant in the melanomas located on the trunk, head and neck. SPECT-CT modified the SN location by 22% compared to planar scan findings, facilitating a correct surgical approach.
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Affiliation(s)
- R Martínez Castillo
- Servicio de Medicina Nuclear, Unidad de Diagnóstico por la Imagen, Hospital Universitario Virgen del Rocío, Sevilla, España.
| | - R Fernández López
- Servicio de Medicina Nuclear, Unidad de Diagnóstico por la Imagen, Hospital Universitario Virgen del Rocío, Sevilla, España
| | - I Acevedo Bañez
- Servicio de Medicina Nuclear, Unidad de Diagnóstico por la Imagen, Hospital Universitario Virgen del Rocío, Sevilla, España
| | - R M Alvarez Pérez
- Servicio de Medicina Nuclear, Unidad de Diagnóstico por la Imagen, Hospital Universitario Virgen del Rocío, Sevilla, España
| | - D García Solis
- Servicio de Medicina Nuclear, Unidad de Diagnóstico por la Imagen, Hospital Universitario Virgen del Rocío, Sevilla, España
| | - R Vázquez Albertino
- Servicio de Medicina Nuclear, Unidad de Diagnóstico por la Imagen, Hospital Universitario Virgen del Rocío, Sevilla, España
| | - P Fernández Ortega
- U.G. Cirugía Plástica, Hospital Universitario Virgen del Rocío, Sevilla, España
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