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Valdés Olmos RA, Vidal-Sicart S, Giammarile F, Zaknun JJ, Van Leeuwen FW, Mariani G. The GOSTT concept and hybrid mixed/virtual/augmented reality environment radioguided surgery. Q J Nucl Med Mol Imaging 2014; 58:207-215. [PMID: 24835294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
The popularity gained by the sentinel lymph node (SLN) procedure in the last two decades did increase the interest of the surgical disciplines for other applications of radioguided surgery. An example is the gamma-probe guided localization of occult or difficult to locate neoplastic lesions. Such guidance can be achieved by intralesional delivery (ultrasound, stereotaxis or CT) of a radiolabelled agent that remains accumulated at the site of the injection. Another possibility rested on the use of systemic administration of a tumour-seeking radiopharmaceutical with favourable tumour accumulation and retention. On the other hand, new intraoperative imaging devices for radioguided surgery in complex anatomical areas became available. All this a few years ago led to the delineation of the concept Guided intraOperative Scintigraphic Tumour Targeting (GOSTT) to include the whole spectrum of basic and advanced nuclear medicine procedures required for providing a roadmap that would optimise surgery. The introduction of allied signatures using, e.g. hybrid tracers for simultaneous detection of the radioactive and fluorescent signals did amply the GOSTT concept. It was now possible to combine perioperative nuclear medicine imaging with the superior resolution of additional optical guidance in the operating room. This hybrid approach is currently in progress and probably will become an important model to follow in the coming years. A cornerstone in the GOSTT concept is constituted by diagnostic imaging technologies like SPECT/CT. SPECT/CT was introduced halfway the past decade and was immediately incorporated into the SLN procedure. Important reasons attributing to the success of SPECT/CT were its combination with lymphoscintigraphy, and the ability to display SLNs in an anatomical environment. This latter aspect has significantly been improved in the new generation of SPECT/CT cameras and provides the base for the novel mixed reality protocols of image-guided surgery. In these protocols the generated virtual SPECT/CT elements are visually superimposed in the body of the patient in the operating room to directly facilitate, by means of visualization on screen or using head-mounted devices, the localization of radioactive and/or fluorescent targets by minimal invasive approaches in areas of complex anatomy. All these technological advances will play an increasing role in the future extension and the clinical impact of the GOSTT concept.
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Affiliation(s)
- R A Valdés Olmos
- Diagnostic Oncology, Department of Nuclear Medicine, Netherlands Cancer Institute - Antoni van Leuwenhoek Hospital Amsterdam, The Netherlands -
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Vidal-Sicart S, Rioja ME, Paredes P, Keshtgar MR, Valdés Olmos RA. Contribution of perioperative imaging to radioguided surgery. Q J Nucl Med Mol Imaging 2014; 58:140-160. [PMID: 24835290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Radioguided surgery has been investigated and applied to almost any neoplastic disease that is surgically treated. The impact of radioguided surgery on the surgical management of cancer patients includes relevant and real-time information to the surgeon regarding the location and extent of the disease, as well as regarding the assessment of surgical resection margins. Despite the fact that sentinel lymph node biopsy has been worldwide accepted as a highly accurate staging method for various solid cancers (among which breast cancer and cutaneous melanoma), some potential intraoperative drawbacks still remain. This article provides an update on currently available perioperative techniques regarding the use of radiotracers for radioguided surgery and sentinel lymph node mapping and biopsy, in particular in combination with vital dyes or other agents. The integration of computer technology and data processing makes it possible to integrate anatomic and functional images together with 3D rendering systems. This facilitates the targeted-tissue perioperative localization, especially in anatomically complex areas. Furthermore, we provide an update on advances in the integration of intraoperative imaging devices as well as optical tracers for the surgical management of patients. Evidence is emerging that these devices, together with new potential tracers, may improve intraoperative identification of sentinel nodes and/or tumors. A detailed presentation on a portable gamma camera in breast cancer patients, and the application of perioperative imaging devices in gynaecological cancers are included. Other important procedures, such as ROLL and RSL for occult lesion excision in the breast and other organs, are extensively discussed.
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Affiliation(s)
- S Vidal-Sicart
- Nuclear Medicine Department Hospital Clínic, Barcelona, Spain -
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Giammarile F, Vidal-Sicart S, Valdés Olmos RA. Uncommon applications of sentinel lymph node mapping: urogenital cancers. Q J Nucl Med Mol Imaging 2014; 58:161-179. [PMID: 24835291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Beside the classical applications of sentinel lymph node mapping, some new procedures are emerging and showing feasibility and clinical utility. In this chapter, we will report on sentinel lymph node mapping in 1) malignancies of the female reproductive system (cervical cancer, endometrial cancer, vulvar cancer and ovarian cancer); 2) malignancies of the male reproductive system (prostate cancer, penile cancer and testicular cancer); 3) malignancies in kidney and bladder. This paper presents the uncommon applications of sentinel lymph node mapping in urogenital neoplasms.
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Affiliation(s)
- F Giammarile
- Nuclear Medicine Centre Hospitalier Lyon Sud Biophysique, Lyon, France -
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Nogareda Z, Vilalta A, Benassar A, Paredes P, Vidal-Sicart S. [Aberrant lymphatic drainage from a melanoma located in epigastric area]. Rev Esp Med Nucl Imagen Mol 2014; 33:390-1. [PMID: 24721510 DOI: 10.1016/j.remn.2014.01.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2013] [Revised: 01/12/2014] [Accepted: 01/13/2014] [Indexed: 10/24/2022]
Affiliation(s)
- Z Nogareda
- Servicio de Medicina Nuclear, Hospital Clínic, Barcelona, España; Servicio de Medicina Nuclear, Hospital Central de Asturias, Oviedo, España.
| | - A Vilalta
- Servicio de Dermatología, Hospital Clínic, Barcelona, España
| | - A Benassar
- Servicio de Dermatología, Hospital Clínic, Barcelona, España
| | - P Paredes
- Servicio de Medicina Nuclear, Hospital Clínic, Barcelona, España
| | - S Vidal-Sicart
- Servicio de Medicina Nuclear, Hospital Clínic, Barcelona, España
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Figueras-Aloy J, Álvarez-Domínguez E, Pérez-Fernández JM, Moretones-Suñol G, Vidal-Sicart S, Botet-Mussons F. Metabolic bone disease and bone mineral density in very preterm infants. J Pediatr 2014; 164:499-504. [PMID: 24331689 DOI: 10.1016/j.jpeds.2013.10.089] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2013] [Revised: 10/01/2013] [Accepted: 10/31/2013] [Indexed: 02/09/2023]
Abstract
OBJECTIVES To evaluate bone mineral density (BMD) in preterm neonates at discharge and identify the optimum cutoff values for serum alkaline phosphatase (ALP) and phosphorus (P) concentrations to diagnose the severity of metabolic bone disease of prematurity. STUDY DESIGN A total of 336 preterm neonates (≤ 31 weeks' gestation and birth weight ≤ 1500 g) were prospectively evaluated for BMD before discharge using dual-energy X-ray absorptiometry. RESULTS BMD reference values (at ALP ≤ 500 IU/L) were measured in 279 patients. BMD was classified as poor (<10th percentile) at <0.068 g/cm(2), fair (10th-25th percentile) at 0.068-0.081 g/cm(2), good (25th-75th percentile) at 0.081-0.112 g/cm(2), and very good (>75th percentile) at >0.112 g/cm(2). Increased BMD was associated with a higher birth weight, short duration of parenteral nutrition, and the absence of small for gestational age status, patent ductus arteriosus, intraventricular hemorrhage, and other clinical variables. Metabolic bone disease of prematurity was absent (ALP ≤ 500 IU/L) in 279 cases (83.0%), mild (ALP >500 IU/L and P ≥ 4.5 mg/dL) in 46 cases (13.7%), and severe (ALP >500 IU/L and P <4.5 mg/dL) in 11 cases (3.3%). CONCLUSIONS A BMD >0.068 g/cm(2) at discharge indicated a 90.3% probability of not developing metabolic bone disease of prematurity. The factors independently associated with increased BMD included higher birth weight, short duration of parenteral nutrition, absence of intraventricular hemorrhage, exclusive feeding of fortified breast milk, and older age at discharge.
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Affiliation(s)
- Josep Figueras-Aloy
- Neonatal Service, Biomedical Research Institute August Pii Sunyer, Hospital Clínic of Barcelona, University of Barcelona, Barcelona, Spain.
| | - Enriqueta Álvarez-Domínguez
- Neonatal Service, Biomedical Research Institute August Pii Sunyer, Hospital Clínic of Barcelona, University of Barcelona, Barcelona, Spain
| | - José M Pérez-Fernández
- Neonatal Service, Biomedical Research Institute August Pii Sunyer, Hospital Clínic of Barcelona, University of Barcelona, Barcelona, Spain
| | - Gloria Moretones-Suñol
- Neonatal Service, Biomedical Research Institute August Pii Sunyer, Hospital Clínic of Barcelona, University of Barcelona, Barcelona, Spain
| | - Sergi Vidal-Sicart
- Nuclear Medicine Service, Biomedical Research Institute August Pii Sunyer, Hospital Clínic of Barcelona, University of Barcelona, Barcelona, Spain
| | - Francesc Botet-Mussons
- Neonatal Service, Biomedical Research Institute August Pii Sunyer, Hospital Clínic of Barcelona, University of Barcelona, Barcelona, Spain
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Vidal-Sicart S, Giammarile F, Mariani G, Valdés Olmos RA. Pre- and intra-operative imaging techniques for sentinel node localization in breast cancer. ACTA ACUST UNITED AC 2013. [DOI: 10.2217/iim.13.31] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Vidal-Sicart S, Brouwer O, Mathéron H, Bing Tan I, Valdés-Olmos R. Sentinel node identification with a portable gamma camera in a case without visualization on conventional lymphoscintigraphy and SPECT/CT. Rev Esp Med Nucl Imagen Mol 2013. [DOI: 10.1016/j.remnie.2013.05.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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108
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Frontado LM, Brouwer OR, van den Berg NS, Mathéron HM, Vidal-Sicart S, van Leeuwen FWB, Valdés Olmos RA. Added value of the hybrid tracer indocyanine green-99mTc-nanocolloid for sentinel node biopsy in a series of patients with different lymphatic drainage patterns. Rev Esp Med Nucl Imagen Mol 2013; 32:227-33. [PMID: 23567320 DOI: 10.1016/j.remn.2013.02.004] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2012] [Revised: 02/12/2013] [Accepted: 02/13/2013] [Indexed: 10/27/2022]
Abstract
INTRODUCTION Indocyanine green (ICG)-(99m)Tc-nanocolloid is a novel hybrid fluorescent radioactive tracer for sentinel node (SN) biopsy. This study has aimed to evaluate the added value of this novel versatile tracer in a series of patients with different malignancies. MATERIAL AND METHODS Twenty patients (with penile carcinoma, oral cavity tumors, melanoma) were consecutively included between March-May 2012. Planar lymphoscintigraphy was performed 15 min and 2h after injection of ICG-(99m)Tc-nanocolloid followed by SPECT/CT. Blue dye (1 ml) was injected in 14 patients in surgery room. Intraoperatively, SNs were localized using a gamma probe and visualized by optical SN-detection using blue dye and fluorescence imaging. Finally, a portable gamma camera was used to confirm complete SN removal. RESULTS At least one SN was identified by SPECT/CT in all patients. All SNs (total 68, 100%) were excised using a combination of radio- and fluorescence guidance: 89.7% were intraoperatively localized with the gamma probe. The remaining SNs, located near the injection site, were localized using fluorescence imaging. During the surgery, 97% of the SNs were fluorescent while only 39.2% were stained blue. Ex vivo, all SNs were both radioactive and fluorescent. The SN was positive in 5 patients. CONCLUSION Synchronous radio- and fluorescence guided SN biopsy is feasible using ICG-(99m)Tc-nanocolloid. This hybrid approach combines the beneficial properties of both modalities. Adding fluorescence imaging improves optical SN detection compared to blue dye. It has been shown to be especially useful in the localization of SNs near the injection site.
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Affiliation(s)
- L M Frontado
- Servicio de Medicina Nuclear, Hospital Dr. Peset, Valencia, España.
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Torné A, Pahisa J, Vidal-Sicart S, Martínez-Roman S, Paredes P, Puerto B, Albela S, Fusté P, Perisinotti A, Ordi J. Transvaginal ultrasound-guided myometrial injection of radiotracer (TUMIR): A new method for sentinel lymph node detection in endometrial cancer. Gynecol Oncol 2013; 128:88-94. [DOI: 10.1016/j.ygyno.2012.10.008] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2012] [Revised: 10/04/2012] [Accepted: 10/06/2012] [Indexed: 10/27/2022]
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Conejero A, Vidal-Sicart S, Navales I, Pons F. Tumor thrombosis detected on PET/CT scanning in a patient with metastasic melanoma. Rev Esp Med Nucl Imagen Mol 2012; 32:115-6. [PMID: 23137813 DOI: 10.1016/j.remn.2012.02.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2011] [Revised: 02/27/2012] [Accepted: 02/28/2012] [Indexed: 11/28/2022]
Affiliation(s)
- A Conejero
- Nuclear Medicine Department, Hospital Clínic, Barcelona, Spain.
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Vidal-Sicart S, Brouwer OR, Mathéron HM, Bing Tan I, Valdés-Olmos RA. Sentinel node identification with a portable gamma camera in a case without visualization on conventional lymphoscintigraphy and SPECT/CT. Rev Esp Med Nucl Imagen Mol 2012; 32:203-4. [PMID: 22981219 DOI: 10.1016/j.remn.2012.06.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2012] [Revised: 06/27/2012] [Accepted: 06/27/2012] [Indexed: 11/28/2022]
Affiliation(s)
- S Vidal-Sicart
- Nuclear Medicine Department, Hospital Clínic Barcelona, Barcelona, Spain.
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Piñero A, Canteras M, Moreno A, Vicente F, Giménez J, Tocino A, Iglesias E, Vidal-Sicart S, Santamaría L, Lorenzo M, García M, Ramirez D. Multicenter validation of two nomograms to predict non-sentinel node involvement in breast cancer. Clin Transl Oncol 2012; 15:117-23. [DOI: 10.1007/s12094-012-0887-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2011] [Accepted: 04/16/2012] [Indexed: 01/16/2023]
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Vidal M, Vidal-Sicart S, Torrents A, Perissinotti A, Navales I, Paredes P, Pons F. Accuracy and Reproducibility of Lymphoscintigraphy for Sentinel Node Detection in Patients with Cutaneous Melanoma. J Nucl Med 2012; 53:1193-9. [DOI: 10.2967/jnumed.112.104463] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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García AI, Milinkovic A, Tomás X, Rios J, Pérez I, Vidal-Sicart S, Pomés J, Del Amo M, Mallolas J. MRI signal changes of the bone marrow in HIV-infected patients with lipodystrophy: correlation with clinical parameters. Skeletal Radiol 2011; 40:1295-301. [PMID: 21479859 DOI: 10.1007/s00256-011-1147-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2011] [Revised: 02/27/2011] [Accepted: 02/28/2011] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To assess the prevalence, imaging appearance, and clinical significance, of bone marrow MR signal changes in a group of human immunodeficiency virus (HIV)-infected patients with lipodystrophy syndrome. MATERIALS AND METHODS Twenty-eight HIV-infected patients with lipodystrophy syndrome treated with highly active antiretroviral therapy, and 12 HIV-negative controls underwent MRI of the legs. Whole-body MRI, SPECT/CT, and a complete radiographic skeletal survey were obtained in subjects with signal changes in bone marrow. MRI and clinical evaluations were reviewed 6 months after baseline to determine changes after switching from thymidine analogs (TA) to tenofovir-DF (TDF). MRI results correlated with clinical parameters. RESULTS We observed foci of a serous-like pattern (low signal and no enhancement on T1-weighted, high signal on T2-weighted images) in 4 out of 28 patients (14.3%) and an intermediate signal on T1-weighted images in 4 out of 28 patients (14.3%). Serous-like lesions were located in the lower limbs and scattered in the talus, calcaneus, femurs, and humeral bones; they showed slight uptake on SPECT bone scans and were normal on CT and radiographs. Patients with serous-like lesions had significantly lower peripheral and total fat at baseline than other groups (P < 0.05). No changes at 6 months were observed on MRI, and the serous-like lesion group showed good peripheral fat recovery after changing drug treatment. CONCLUSION A serous-like MRI pattern is observed in the peripheral skeletons of HIV-infected patients with lipodystrophy, which correlates with peripheral lipoatrophy, and should not be misdiagnosed as malignant or infectious diseases. Although the MR lesions did not improve after switching the treatment, there was evidence of lipoatrophy recovery.
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Affiliation(s)
- Ana I García
- Department of Radiology, Hospital Clinic, Villarroel 170, Barcelona 08036, Spain.
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Vidal-Sicart S, Brouwer OR, Valdés-Olmos RA. [Evaluation of the sentinel lymph node combining SPECT/CT with the planar image and its importance for the surgical act]. ACTA ACUST UNITED AC 2011; 30:331-7. [PMID: 21783283 DOI: 10.1016/j.remn.2011.05.009] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2011] [Accepted: 05/13/2011] [Indexed: 11/28/2022]
Abstract
The sentinel node biopsy procedure is based on the hypothesis of the existence of an orderly and predictable pattern of lymphatic drainage to a regional lymph node basin. This results in the consideration of all lymph nodes with direct drainage from the primary tumor as sentinel nodes. The sentinel node is not necessarily the hottest or the most nearby node, although this is often the case. Lymphoscintigraphy has been an essential component for preoperative sentinel node identification. With the new generation of multimodality gamma cameras, SPECT/CT has been incorporated into the sentinel node procedure. The resulting SPECT/CT fused images depict sentinel nodes in an anatomical landscape providing a helpful roadmap for surgeons. Therefore, it is necessary to define the role of SPECT/CT in relation to the classical planar lymphoscintigraphy for the identification of sentinel nodes. To understand the combined use of lymphoscintigraphy and SPECT/CT, the criteria for sentinel node identification on preoperative images must be specified. The authors, based on their experience in this field, present tentative criteria to identify lymph nodes as sentinel nodes both in planar and SPECT/CT images and classify them into different categories. The use of these scintigraphic categories to characterize radioactive lymph nodes is also helpful for surgical decision making.
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Affiliation(s)
- S Vidal-Sicart
- Servei de Medicina Nuclear, Hospital Clínic Barcelona, Institut d'Investigació Biomèdica Agustí Pi i Sunyer, España.
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Vidal-Sicart S, Vermeeren L, Solà O, Paredes P, Valdés-Olmos RA. The use of a portable gamma camera for preoperative lymphatic mapping: a comparison with a conventional gamma camera. Eur J Nucl Med Mol Imaging 2010; 38:636-41. [DOI: 10.1007/s00259-010-1682-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2010] [Accepted: 11/15/2010] [Indexed: 10/18/2022]
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Muñoz M, Pahisa J, Xavier Caparrós F, Vidal-Sicart S. Ganglio centinela y neoadyuvancia en cáncer de mama. ACTA ACUST UNITED AC 2010; 29:319-20. [DOI: 10.1016/j.remn.2010.10.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2010] [Accepted: 10/13/2010] [Indexed: 10/18/2022]
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Vidal-Sicart S, Aukema T, Vogel W, Hoefnagel C, Valdés-Olmos R. Valor añadido de la técnica en decúbito prono para el estudio con tomografía por emisión de positrones-tomografía computarizada en las pacientes con cáncer de mama. ACTA ACUST UNITED AC 2010; 29:230-5. [DOI: 10.1016/j.remn.2010.05.002] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2010] [Revised: 05/07/2010] [Accepted: 05/10/2010] [Indexed: 10/19/2022]
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Vidal-Sicart S, Paredes P, Zanón G, Pahisa J, Martinez-Román S, Caparrós X, Vilalta A, Rull R, Pons F. Added value of intraoperative real-time imaging in searches for difficult-to-locate sentinel nodes. J Nucl Med 2010; 51:1219-25. [PMID: 20660385 DOI: 10.2967/jnumed.110.074880] [Citation(s) in RCA: 75] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
UNLABELLED Localization of sentinel lymph nodes can be challenging if they are in difficult anatomic locations or near high radiotracer activity. The purpose of this study was to assess the value of intraoperative real-time imaging using a portable gamma-camera in conjunction with a conventional gamma-counting probe when it is difficult to localize the sentinel node. METHODS After (99m)Tc-nanocolloid injection, patients with various malignancies underwent presurgical lymphoscintigraphy followed by surgery (usually the next day). We evaluated 20 patients who required sentinel lymph node biopsy and in whom the location or other characteristics of the sentinel node would make intraoperative retrieval difficult. During surgery, the sentinel node was localized using a portable gamma-camera together with a hand-held gamma-probe. A (153)Gd pointer or (125)I seed was used to better depict the sentinel node location in real time. RESULTS Using only a conventional hand-held gamma-probe, surgeons were able to definitively localize the sentinel node in 15 of 20 patients. Intraoperatively, the portable gamma-camera showed uptake by the definite sentinel node in 19 of 20 patients and helped to precisely localize the node with the hand-held gamma-probe in 4 patients. In 1 of these patients, the sentinel node was metastatic. CONCLUSION The combination of a standard hand-held gamma-probe and real-time imaging provided by a portable gamma-camera offers a high intraoperative detection rate in patients with difficult sentinel node localization as assessed by presurgical lymphoscintigraphy.
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Affiliation(s)
- Sergi Vidal-Sicart
- Nuclear Medicine Department (CDIC), Hospital Clínic Barcelona, Barcelona, Spain.
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Valdés Olmos RA, Vidal-Sicart S, Nieweg OE. Technological innovation in the sentinel node procedure: towards 3-D intraoperative imaging. Eur J Nucl Med Mol Imaging 2010; 37:1449-51. [DOI: 10.1007/s00259-010-1468-3] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Vidal-Sicart S, Rodríguez A, Mestre T, León AF, Zanón G, Caparrós X, Juncà V, Segura M, Solsona J, Vernet M. 314 Value of sentinel lymph node identification in high risk ductal carcinoma in situ. EJC Suppl 2010. [DOI: 10.1016/s1359-6349(10)70340-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Sanjuán A, Escaramís G, Vidal-Sicart S, Illa M, Zanón G, Pahisa J, Rubí S, Velasco M, Santamaría G, Farrús B, Muñoz M, García Y, Fernández PL, Pons F. Predicting Non-Sentinel Lymph Node Status in Breast Cancer Patients with Sentinel Lymph Node Involvement: Evaluation of Two Scoring Systems. Breast J 2010; 16:134-40. [DOI: 10.1111/j.1524-4741.2009.00892.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Chakera AH, Hesse B, Burak Z, Ballinger JR, Britten A, Caracò C, Cochran AJ, Cook MG, Drzewiecki KT, Essner R, Even-Sapir E, Eggermont AMM, Stopar TG, Ingvar C, Mihm MC, McCarthy SW, Mozzillo N, Nieweg OE, Scolyer RA, Starz H, Thompson JF, Trifirò G, Viale G, Vidal-Sicart S, Uren R, Waddington W, Chiti A, Spatz A, Testori A. EANM-EORTC general recommendations for sentinel node diagnostics in melanoma. Eur J Nucl Med Mol Imaging 2009; 36:1713-42. [PMID: 19714329 DOI: 10.1007/s00259-009-1228-4] [Citation(s) in RCA: 134] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
The accurate diagnosis of a sentinel node in melanoma includes a sequence of procedures from different medical specialities (nuclear medicine, surgery, oncology, and pathology). The items covered are presented in 11 sections and a reference list: (1) definition of a sentinel node, (2) clinical indications, (3) radiopharmaceuticals and activity injected, (4) dosimetry, (5) injection technique, (6) image acquisition and interpretation, (7) report and display, (8) use of dye, (9) gamma probe detection, (10) surgical techniques in sentinel node biopsy, and (11) pathological evaluation of melanoma-draining sentinel lymph nodes. If specific recommendations given cannot be based on evidence from original, scientific studies, referral is given to "general consensus" and similar expressions. The recommendations are designed to assist in the practice of referral to, performance, interpretation and reporting of all steps of the sentinel node procedure in the hope of setting state-of-the-art standards for good-quality evaluation of possible spread to the lymphatic system in intermediate-to-high risk melanoma without clinical signs of dissemination.
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Affiliation(s)
- Annette H Chakera
- Department of Plastic Surgery and Burns Unit, Rigshospitalet, Copenhagen, Denmark.
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124
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Muxí A, Torregrosa JV, Fuster D, Peris P, Vidal-Sicart S, Solá O, Domenech B, Martín G, Casellas J, Pons F. Arteriovenous fistula affects bone mineral density measurements in end-stage renal failure patients. Clin J Am Soc Nephrol 2009; 4:1494-1499. [PMID: 19713298 DOI: 10.2215/cjn.01470209] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
BACKGROUND AND OBJECTIVES Hemodialysis needs an arteriovenous fistula (AVF) that may influence the structure and growth of nearby bone and affect bone mass measurement. The study analyzed the effect of AVF in the assessment of forearm bone mineral density (BMD) measured by dual energy x-ray absorptiometry (DXA) and examined its influence on the final diagnosis of osteoporosis. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS Forty patients (52 +/- 18 yr) in hemodialysis program (12 +/- 8 yr) with permeable AVF in forearm were included. Patients were divided in two groups (over and under 50 yr). BMD of both forearms(three areas), lumbar spine, and femur was measured by DXA. Forearm measurements in each arm were compared. Patients were diagnosed as normal only if all territories were considered nonpathologic and osteoporosis/osteopenia was determined by the lowest score found. RESULTS Ten patients were excluded and 30 patients were analyzed. BMD in the forearm with AVF was significantly lower than that observed in the contralateral forearm in both groups of patients and in all forearm areas analyzed. When only lumbar spine and femur measurements were considered, 70% of patients were nonpathologic and 30% were osteoporotic. However, inclusion of AVF forearm classified 63% as osteoporotic and a further 27% as osteopenic, leaving only 10% as nonpathologic. CONCLUSIONS Forearm AVF affects BMD measurements by decreasing their values in patients with end-stage renal failure. This may produce an overdiagnosis of osteoporosis, which should be taken into account when evaluating patients of this type.
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Affiliation(s)
- Africa Muxí
- Servicio de Medicina Nuclear, Hospital Clínic, Universitat de Barcelona, 170 08036 Barcelona, Spain.
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125
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Vidal-Sicart S, Doménech B, Luján B, Pahisa J, Torné A, Martínez-Román S, Antonio Lejárcegui J, Fusté P, Ordi J, Paredes P, Pons F. Ganglio centinela en cánceres ginecológicos. Nuestra experiencia. ACTA ACUST UNITED AC 2009; 28:221-8. [DOI: 10.1016/j.remn.2009.06.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2009] [Accepted: 06/08/2009] [Indexed: 10/20/2022]
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126
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Ortín-Pérez J, Vidal-Sicart S, Duch J, Doménech B, Pons F. [Bilateral drainage in the internal mammary chain in the detection of the sentinel lymph node in a breast tumor]. ACTA ACUST UNITED AC 2009; 28:128-9. [PMID: 19558954 DOI: 10.1016/s0212-6982(09)71356-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- J Ortín-Pérez
- Servicio de Medicina Nuclear, Hospital Clínic, Barcelona, España
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127
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González Cao M, Badenas C, Malvehy J, Martí R, Puig-Butille JA, Castel T, Rull R, Vilalta A, Vidal-Sicart S, Palou J, Vilella R, Conill C, Sánchez M, Walker G, Pons F, Puig S. Prognostic value of tyrosinase reverse transcriptase PCR analysis in melanoma sentinel lymph nodes: long-term follow-up analysis. Clin Exp Dermatol 2009; 34:863-9. [PMID: 19438551 DOI: 10.1111/j.1365-2230.2009.03210.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
OBJECTIVE To determine the prognostic value of detecting tyrosinase transcripts in melanoma sentinel lymph nodes (SLNs). METHODS Reverse transcription (RT) PCR for tyrosinase mRNA was performed on negative SLNs of 76 patients with melanoma. RESULTS Tyrosinase mRNA was found in 39 patients (51.3%). After a median follow-up period of 51 months, significant differences were found in overall survival (OS) but not in disease-free survival (DFS). The 5-year OS and DFS rates were 97.2% and 80%, respectively, for RT-PCR tyrosinase-negative (TN) patients vs. 78.67% and 66.24% for RT-PCR tyrosinase-positive (TP) patients (P = 0.019 and P = 0.38, respectively). Of four progressing patients in the TN group, three relapsed with subcutaneous, soft-tissue or lymph-node metastases, while seven out of nine progressing patients in the TP group relapsed at visceral sites. CONCLUSIONS No significant differences in DFS were found by RT-PCR tyrosinase expression analysis at melanoma SLNs. Significant differences in OS could be related to a different pattern of relapse and must be confirmed after a longer follow-up time.
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Affiliation(s)
- M González Cao
- Medical Oncology Department (ICHMO), Institute of Biomedical Investigations August Pi I Sunyer, Hospital Clinic Barcelona, Spain
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128
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Ortín-Pérez J, Vidal-Sicart S, Doménech B, Rubí S, Lafuente S, Pons F. Ganglios centinela “en tránsito” en el melanoma maligno. ¿Cuál es su importancia? ACTA ACUST UNITED AC 2008. [DOI: 10.1016/s0212-6982(08)75529-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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129
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Paredes P, Vidal-Sicart S, Santamaría G, Zanón G, Pons F. Aplicación de la técnica ROLL en un caso de cáncer de mama multifocal bilateral. ACTA ACUST UNITED AC 2008; 27:436-9. [DOI: 10.1016/s0212-6982(08)75531-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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130
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Ortín-Pérez J, Vidal-Sicart S, Doménech B, Rubí S, Lafuente S, Pons F. [In-transit sentinel lymph nodes in malignant melanoma. What is their importance?]. Rev Esp Med Nucl 2008; 27:424-429. [PMID: 19094901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
UNLABELLED The sentinel lymph node (SLN) is the first node in a lymph node basin to receive direct drainage from the primary tumour. However, in some cases, lymphoscintigraphy images demonstrate the presence of lymph nodes located in the area between the primary tumour and the first regional lymph node basin. These nodes are called in-transit nodes and have to be considered SLNs as well. AIM It was to determine the incidence and location of in-transit SLNs in patients with malignant melanoma and to evaluate whether it is necessary to harvest them. METHOD. Nine hundred patients with malignant melanoma were included. Lymphoscintigraphy was performed on the day before surgery following intradermal injection of 74-111 MBq of 99mTc-Nanocolloid in four doses around the primary lesion or the biopsy scar. RESULTS The presence of in-transit SLNs was revealed in 80 patients. During surgery, in-transit SLNs were identified and excised in all but 3 patients (96.2 %). Metastatic cell deposits were identified in these in-transit SLNs in 15 patients (19.4 %), with 4 patients with no tumour involvement of the regional lymph node basin. CONCLUSIONS Lymphoscintigraphy is mandatory in the location of in-transit SLNs. Moreover, although the incidence of these nodes is relatively low in malignant melanoma, the presence of metastatic cells in these in-transit SLNs reaches a significant percentage. Therefore, excision of in-transit SLNs is necessary in all cases.
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Affiliation(s)
- J Ortín-Pérez
- Servicio de Medicina Nuclear (CDIC), Hospital Clínic, Barcelona, España
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131
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Rubí S, Vidal-Sicart S, Ortega M, Doménech B, Lafuente S, Corral J, Gelabert-Mas A. Localización del ganglio centinela en el carcinoma escamoso de pene. Experiencia inicial. ACTA ACUST UNITED AC 2008. [DOI: 10.1157/13114363] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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132
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de Ferrater MB, Vidal-Sicart S, Zanón G, Martínez-Román S, Sanjuán A, Fernández PL, Velasco M, Pons F. Importance of Intramammary Node Resection in Breast Cancer Staging. Clin Nucl Med 2007; 32:572-3. [PMID: 17581352 DOI: 10.1097/rlu.0b013e3180646a31] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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133
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Ortin-Perez J, van Rijk MC, Valdes-Olmos RA, Vidal-Sicart S, Nieweg OE, Vilalta A, Kroon BBR, Pons F. Lymphatic mapping and sentinel node biopsy in Merkel's cell carcinoma. Eur J Surg Oncol 2006; 33:119-22. [PMID: 17052883 DOI: 10.1016/j.ejso.2006.09.004] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2006] [Accepted: 09/06/2006] [Indexed: 11/22/2022]
Abstract
AIM The purpose of this study was to determine the predictive value of lymphatic mapping with selective lymphadenectomy in patients with Merkel's cell carcinoma. METHODS Eight patients with biopsy proven Merkel's cell carcinoma underwent sentinel node biopsy. Lymphoscintigraphy was performed the day before surgery following intradermal injection of 74-111MBq of 99mTc-nanocolloid divided into four doses around the biopsy scar. Dynamic and static images were obtained. RESULTS At least one sentinel node was visualized in all patients. The sentinel node was intra-operatively identified with the aid of a hand-held gamma probe in all cases and patent blue dye in six out of eight cases. During surgery, all sentinel nodes were successfully harvested. Metastatic cell deposits were subsequently identified in three patients (37.5%) and they underwent regional lymphadenectomy. No additional involved lymph nodes were identified. No recurrence has been reported in a median follow-up of 4.6 years (range: 8 months-10 years). CONCLUSIONS In conclusion, sentinel node biopsy in patients with Merkel's cell carcinoma appears to be a reliable staging technique.
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Affiliation(s)
- J Ortin-Perez
- Department of Nuclear Medicine, Hospital Clinic, University of Barcelona, Spain.
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134
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Vidal-Sicart S, Puig-Tintoré LM, Lejárcegui JA, Paredes P, Ortega ML, Muñoz A, Ordi J, Fusté P, Ortín J, Duch J, Martín F, Pons F. Validation and application of the sentinel lymph node concept in malignant vulvar tumours. Eur J Nucl Med Mol Imaging 2006; 34:384-91. [PMID: 17006693 DOI: 10.1007/s00259-006-0237-9] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2006] [Accepted: 06/25/2006] [Indexed: 11/26/2022]
Abstract
PURPOSE Inguinal lymphadenectomy, unilateral or bilateral, is widely used in cases of vulvar squamous cell carcinoma and melanoma but has a high morbidity. Sentinel lymph node (SLN) biopsy may be used in the management of these patients. The aims of this study were firstly to determine the reliability of SLN biopsy in predicting regional lymph node status and secondly to apply this technique in the routine clinical setting. METHODS We prospectively studied 70 women with vulvar malignancies. The first 50 cases were of squamous vulvar cancer and were used to validate the SLN technique in this clinical setting (validation group). Once a satisfactory success rate had been achieved in the validation group, the SLN technique was applied to a further 20 patients with vulvar malignancies, i.e. squamous cell carcinoma (n=12) and melanomas (n=8) (application group). Dynamic and static images were acquired after the injection of 74-148 MBq of a colloidal albumin, and continued until SLN identification. Fifteen minutes before surgery, blue dye injection was administered in a similar manner to the radiocolloid. After incision, a hand-held gamma probe was used to find the SLN. In the validation group, dissection of the SLN was always followed by lymphadenectomy. In the application group, this procedure was only performed if the SLN was positive for metastases. For pathological staging, samples were evaluated using haematoxylin and eosin and immunohistochemistry. RESULTS In the validation group, lymphoscintigraphy allowed SLN detection in 49/50 patients (98%). Blue dye detected the SLN in 40/50 patients (80%). In 16 patients (33%), the SLN showed metastases in the pathology study. All 33 patients with negative SLN had regional lymph nodes negative for metastases (negative predictive value 100%). In the application group, lymphoscintigraphy showed drainage to an SLN in 19 out of 20 patients (95%) and blue dye demonstrated a stained SLN in 17/20 patients (85%). Seven of the 19 SLN-identified nodes (37%) were positive for metastases. CONCLUSION SLN identification permits the accurate pathological study of regional nodes and could reduce the high morbidity of current surgical treatment in vulvar tumour patients if the technique were to be adopted on a routine clinical basis.
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Affiliation(s)
- Sergi Vidal-Sicart
- Department of Nuclear Medicine, Hospital Clinic, University of Barcelona, C/ Villarroel 170, Barcelona, Spain.
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135
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Segura M, Juncà V, Solsona J, Piqueras A, Puig S, Jimeno J, Pereira JA, Ortega M, Fernández A, Fraile M, Vidal-Sicart S, Segura A, Ferrer F, Grande L. Impacto de la disponibilidad de un servicio externo de medicina nuclear en la aplicación de la biopsia del ganglio centinela en cirugía del cáncer de mama. Cir Esp 2006; 80:96-100. [PMID: 16945307 DOI: 10.1016/s0009-739x(06)70930-7] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
INTRODUCTION To perform sentinel lymph node biopsy (SLNB), nuclear medicine services that have previously undergone a validation phase are required. The aim of the present study was to analyze the possibility of performing this technique with a previously validated, external nuclear medicine service and to study its impact on the indication for radical axillary lymphadenectomy (RAL) and on length of postoperative hospital stay. PATIENTS AND METHODS We performed a prospective study in a cohort of patients with breast cancer starting from the introduction of SLNB in our center, which was made possible by collaboration with an external nuclear medicine service that performed lymphoscintigraphy and sentinel node detection. Intraoperative detection was performed through a portable probe. The feasibility of the project and its clinical impact were analyzed, taking a reduction in the number of lymphadenectomies and length of hospital stay as endpoints. RESULTS A total of 196 patients with 201 breast carcinomas were treated. The most frequent interventions were tumorectomy (TC) with SLNB in 124 patients (62%), and TC with SLNB and RAL in 62 patients (31%). Sentinel node visualization on lymphoscintigraphy was achieved in 187/201 carcinomas (93.1%) and sentinel nodes were detected during the intervention in 182/187 carcinomas (97.4%). Sentinel node detection in the internal mammary chain was achieved in 23/201 carcinomas (11.4%). RAL was avoided in 131 of the 201 carcinomas (65%). Days of postoperative hospital stay with or without RAL showed a mean difference of 1.8 days (3.1 vs. 1.3; P < .001). CONCLUSION SLNB is feasible with the collaboration of an external nuclear medicine service. This technique avoids 65% of RAL and reduces length of postoperative stay by 1.8 days.
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Affiliation(s)
- Marcel Segura
- Unidad de Patología Mamaria, Servicio de Cirugía General y Servicio de Radiología (IDIMAS, CRC-MAR), Hospital Universitario del Mar, Barcelona, España.
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136
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Intriago B, Vidal-Sicart S, Paredes P, Zanón G, Pons F. [Proposal for the inclusion of Nuclear Medicine in the European Mastology Society (EUSOMA) criteria for breast unites and the convenience of their implementation in Spain]. Rev Esp Med Nucl 2006; 25:280-1. [PMID: 16924779 DOI: 10.1016/s0212-6982(06)75045-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Affiliation(s)
- B Intriago
- Servei de Medicina Nuclear (CDIC), Hospital Clínic, Barcelona
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137
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Massi D, Puig S, Franchi A, Malvehy J, Vidal-Sicart S, González-Cao M, Baroni G, Ketabchi S, Palou J, Santucci M. Tumour lymphangiogenesis is a possible predictor of sentinel lymph node status in cutaneous melanoma: a case-control study. J Clin Pathol 2006; 59:166-73. [PMID: 16443733 PMCID: PMC1860322 DOI: 10.1136/jcp.2005.028431] [Citation(s) in RCA: 97] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
BACKGROUND Cutaneous melanoma spreads preferentially through the lymphatic route and sentinel lymph node (SLN) status is regarded as the most important predictor of survival. AIMS To evaluate whether tumour lymphangiogenesis and the expression of vascular endothelial growth factor C (VEGF-C) is related to the risk of SLN metastasis and to clinical outcome in a case-control series of patients with melanoma. METHODS Forty five invasive melanoma specimens (15 cases and 30 matched controls) were investigated by immunostaining for the lymphatic endothelial marker D2-40 and for VEGF-C. Lymphangiogenesis was measured using computer assisted morphometric analysis. RESULTS Peritumorous lymphatic vessels were more numerous, had larger average size, and greater relative area than intratumorous lymphatics. The number and area of peritumorous and intratumorous lymphatics was significantly higher in melanomas associated with SLN metastasis than in non-metastatic melanomas. No significant difference in VEGF-C expression by neoplastic cells was shown between metastatic and non-metastatic melanomas. Using logistic regression analysis, intratumorous lymphatic vessel (LV) area was the most significant predictor of SLN metastasis (p = 0.04). Using multivariate analysis, peritumorous LV density was an independent variable affecting overall survival, whereas the intratumorous LV area approached significance (p = 0.07). CONCLUSIONS This study provides evidence that the presence of high peritumorous and intratumorous lymphatic microvessel density is associated with SLN metastasis and shorter survival. The intratumorous lymphatic vessel area is the most significant factor predicting SLN metastasis. The tumour associated lymphatic network constitutes a potential criterion in the selection of high risk patients for complementary treatment and a new target for antimelanoma therapeutic strategies.
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Affiliation(s)
- D Massi
- Department of Human Pathology and Oncology, University of Florence, I-50134 Florence, Italy.
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138
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139
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Paredes P, Fuster D, Vidal-Sicart S, Ortín J, Duch J, Pons F. [Different samarium-153 behavior in bone metastases and arthrosis in a case of breast cancer and painful bones]. Rev Esp Med Nucl 2005; 24:331. [PMID: 16194467 DOI: 10.1157/13079286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Affiliation(s)
- P Paredes
- Servicio de Medicina Nuclear, Hospital Clínic de Barcelona.
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140
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Paredes P, Vidal-Sicart S, Zanón G, Pahisa J, Fernández PL, Velasco M, Santamaría G, Ortín J, Duch J, Pons F. Clinical relevance of sentinel lymph nodes in the internal mammary chain in breast cancer patients. Eur J Nucl Med Mol Imaging 2005; 32:1283-7. [PMID: 16007422 DOI: 10.1007/s00259-005-1867-z] [Citation(s) in RCA: 73] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2005] [Accepted: 05/12/2005] [Indexed: 01/03/2023]
Abstract
PURPOSE Despite the widespread use of sentinel lymph node (SLN) biopsy in breast cancer patients, some controversy exists about the correct management of extra-axillary nodes, especially those located in the internal mammary chain. The aim of this study was to evaluate the incidence of SLNs in this region, calculate the lymphoscintigraphic and surgical detection rates and evaluate the clinical impact on staging and therapeutic decisions. METHODS The study involved 383 consecutive women diagnosed with early breast cancer with T1 or T2 tumours. Eight patients had a bilateral tumour, which brought the total to 391 lesions. Lymphoscintigraphy was performed on the day before surgery by injection of (99m)Tc-labelled nanocolloid. The injection site was subdermal (68 patients), peritumoural (107 patients) or intratumoural (216 patients). During surgery a gamma probe was used to guide the surgeon and the SLNs were removed. SLNs were analysed by a conventional pathological study and processed for H&E examination and immunohistochemistry. RESULTS Lymphoscintigraphy detected at least one SLN in 369 out of the 391 procedures (94.4%). SLNs were found in the axillary chain in 367 cases and in the internal mammary chain in 55. In two of these 55 cases (3.6%), the SLN was the only one detected. There was no drainage to the internal mammary chain in any case of subdermal injection but such drainage was found in 15.9% of cases with peritumoural injection and 17.6% of those with intratumoural injection. Compared with tumours located in the outer quadrants, a higher percentage of tumours located in the inner quadrants showed drainage to the internal mammary chain (p<0.001). A total of 42 SLNs in the internal mammary chain could be removed in 32 patients without appreciable morbidity. In 20 cases both axillary and internal mammary SLNs were negative, in four both were positive, and in five axillary SLNs were positive and internal mammary SLNs were negative. More interestingly, in the remaining patient with both axillary and internal mammary SLNs, the axillary SLN was negative while malignant cells were found in the internal mammary region. In the evaluation of the clinical impact of internal mammary SLN biopsy, we found that staging was modified from pN1a to pN1c in four patients and, more importantly, from pN0 to pN0(i+) in one patient. The change in stage led to a modification of the postoperative treatment plan with respect to radiotherapy and systemic therapy. CONCLUSION Evaluation of the SLNs in the internal mammary chain provides more accurate staging of breast cancer patients. If internal mammary sampling is not performed, patients can be understaged. This technique can offer a better indication of those patients who will benefit from selective treatment options like radiotherapy to this region or systemic therapy.
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Affiliation(s)
- Pilar Paredes
- Department of Nuclear Medicine (CDI), Hospital Clínic, University of Barcelona, Barcelona, Spain.
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141
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Ortega M, Vidal-Sicart S, Zanón G, Pahisa J, Santamaría G, Velasco M, Martín F, Pons F. [Comparative study of the different radiotracer administration route to locate the sentinel node in breast cancer]. ACTA ACUST UNITED AC 2005; 23:153-61. [PMID: 15153357 DOI: 10.1016/s0212-6982(04)72275-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
AIM To assess the results of Sentinel Lymph Node (SLN) detection in breast cancer patients depending on the radiotracer injection route, especially evaluating which route that makes it possible to identify the highest percentage of SLNs and its detection in the inner mammary chain. METHODS We prospectively studied 120 breast cancer patients. Three groups of 40 patients each were established depending on the radiotracer injection route. 1) Subdermal or subareolar route: 18 T1 and 22 T2, mean tumor diameter size of 1.76 cm. 2) Peritumoral route: 16 T1 and 24 T2, mean tumor diameter size of 1.86 cm. 3) Intratumoral route: 20 T1 and 20 T2, mean tumor diameter size of 1.61 cm. The day before surgery, a lymphoscintigraphic study was performed in all cases and intraoperative SLN resection was carried out with the aid of a hand-held gamma probe. RESULTS The SLN was identified in 38/40 cases (95%) of group 1, in 35/40 cases (88%) of group 2 and in 38/40 cases (95%) of group 3. No SLNs in the mammary chain were observed in patients who underwent subdermal/subareolar injection of the radiotracer. On the other hand, SLNs were visualized in this location in 4/35 patients with peritumoral injection (11%) and in 8/38 patients with intratumoral injection (21%). CONCLUSION The superficial (subdermal, subareolar) injection technique is more suitable when an unnecessary lymphadenectomy has to be prevented in cases without axillary metastases. The deeper injection technique (peritumoral, intratumoral) should be use when, moreover, we seek accurate staging or plan non-systematic mammary chain irradiation.
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Affiliation(s)
- M Ortega
- Servicios de Medicina Nuclear (CDIC), Hospital Clínic, Barcelona, Spain.
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Sanjuàn A, Vidal-Sicart S, Zanón G, Pahisa J, Velasco M, Fernández PL, Santamaría G, Farrús B, Muñoz M, Albanell J, Pons F, Vanrell JA. Clinical axillary recurrence after sentinel node biopsy in breast cancer: a follow-up study of 220 patients. Eur J Nucl Med Mol Imaging 2005; 32:932-6. [PMID: 15791433 DOI: 10.1007/s00259-005-1763-6] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2004] [Accepted: 01/07/2005] [Indexed: 10/25/2022]
Abstract
PURPOSE The aim of this study was to evaluate the frequency of false-negative (FN) sentinel node procedures in patients with breast cancer and the subsequent clinical outcome in such patients. METHODS A total of 325 breast cancer patients underwent sentinel lymph node biopsy at our institution between June 1998 and May 2004. A 2-day protocol was used to localise the sentinel node with the injection of 99mTc-nanocolloid. There were two phases in the study: the learning phase (105 patients) and the application phase (220 patients). In the learning phase, a complete lymphadenectomy was always performed. In the application phase, sentinel nodes were studied intraoperatively and lymphadenectomy was performed when considered warranted by the pathological intraoperative results. RESULTS The median follow-up duration in the 220 patients studied during the application phase was 21.2 months (range 4-45 months). In this phase a total of 427 sentinel nodes were obtained (range 1-5 per patient, median 1.99), with 66 positive sentinel nodes in 56 patients (26%). The lymphadenectomies performed were also positive in 25% of cases (14 patients). We observed a total of two false-negative sentinel lymph node results (3.45%). One of them was found during the surgical excision of non-sentinel nodes, and the other presented as an axillary recurrence 17 months postoperatively (1.72% clinical false-negative rate). The latter patient died 1 year after the first recurrence. CONCLUSION After a median follow-up of 21.2 months we observed only one clinical recurrence among 220 patients. Our results indicate that adequate local control is achieved by application of the sentinel node protocol.
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Affiliation(s)
- A Sanjuàn
- Department of Gynecology and Obstetrics, Breast Pathology Unit, Hospital Clinic, University of Barcelona, Spain.
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143
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Perez N, Vidal-Sicart S, Zanon G, Velasco M, Santamaria G, Palacin A, Campo E, Cardesa A, Fernandez PL. A Practical Approach to Intraoperative Evaluation of Sentinel Lymph Node Biopsy in Breast Carcinoma and Review of the Current Methods. Ann Surg Oncol 2005; 12:313-21. [PMID: 15827677 DOI: 10.1245/aso.2005.07.003] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2004] [Accepted: 11/29/2004] [Indexed: 11/18/2022]
Abstract
BACKGROUND Sentinel lymph node (SLN) biopsy is increasingly becoming an alternative method for assessing axillary status in breast carcinoma patients. Intraoperative SLN evaluation can potentially select patients for immediate axillary clearance and spare most of them a second surgical procedure. Nevertheless, no standard protocol for intraoperative SLN evaluation has been developed. The aims of this study were to establish the reliability of SLN intraoperative evaluation in breast carcinoma staging, to review the published methods currently used, and to propose a standard protocol. METHODS One hundred fifty-two SLNs were collected from 86 patients. Lymphoscintigraphy, blue dye, and gamma camera intraoperative controls were used for localization. Each SLN was sliced 2 mm thick and was intraoperatively evaluated by using the combination of frozen section and imprint cytology. The final examination included standard hematoxylin and eosin staining, and, in case of persistent negativity, further sectioning, including hematoxylin and eosin combined with immunohistochemistry (CAM5.2 cytokeratin), was performed. RESULTS The combination of frozen section and imprint cytology for intraoperative SLN evaluation yielded an intraoperative sensitivity of 78% and a specificity of 100%. All macrometastases (>2 mm) were detected during surgery, as were 2 micrometastases. Final examination detected seven more micrometastases, six of which consisted of isolated tumor cells. CONCLUSIONS We propose a fast, cost-effective, and accurate procedure for SLN evaluation that is useful for making intraoperative decisions, feasible for most institutions, and reliable because of its high sensitivity (100% for macrometastases) and specificity.
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Affiliation(s)
- Noelia Perez
- Department of Pathology, Hospital Clinic, C/Villarroel 170, 08036, Barcelona, Spain
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144
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Cuéllar FA, Vilalta A, Rull R, Vidal-Sicart S, Palou J, Ventura PJ, Pous E, Quinto L, Malvehy J, Martí R, Puig S, Vilella R, Soler J, Benítez D, Yachi E, Lecha M, Pons F, Conill C, Visa J, Castel T. Small cell melanoma and ulceration as predictors of positive sentinel lymph node in malignant melanoma patients. Melanoma Res 2005; 14:277-82. [PMID: 15305158 DOI: 10.1097/01.cmr.0000136712.82910.a1] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Malignant melanoma (MM) early lymph node (LN) metastasis usually appears first in the sentinel LN (SLN). Breslow thickness is the main factor considered in the selection of patients to be submitted to SLN biopsy. The present study aimed to describe other independent prognostic factors useful in SLN candidate selection. During one year, 94 MM patients (90 primary cutaneous MM with Breslow thickness > or = 0.76 mm, and four cutaneous relapses), were submitted to SLN biopsy in the Melanoma Unit at the Hospital Clinic, Barcelona, Spain. The prognostic factors studied were: Breslow thickness, Clark's level of invasion, mitotic rate, cellular type (small, epithelioid, fusocellular, sarcomatoid), vertical growth phase, regression > 50%, severe vascularization, infiltrate (lymphocytic, plasmocytic), ulceration, neurotropism, intravascular/intraneural invasion, protein p16 expression and recurrence. Nineteen SLN (20.2%) were positive and 75 (79.8%) negative. No positive SLN occurred in MM with Breslow thickness < or = 1.0 mm. Breslow thickness > or = 2 mm (P = 0.005), severe vascularization (P = 0.005), small cell (P = 0.000) and ulceration (P = 0.005) were significant prognostic factors by univariate analysis. Small cell (P = 0.008) and ulceration (P = 0.05) were also significant prognostic factors in a multivariate analysis. The probability of finding a positive SLN for small cell was 56.9% [95% confidence interval (CI), 26.8-82.6%]. The probability of positive SLN for ulceration was 35.5% (95% CI, 14.2-64.7%). For small cell and ulceration together the probability increased to 86.3% (95% CI, 54.3-97.1%). The results of this study corroborated ulceration as a prognostic factor for SLN candidate selection and for the first time we have described small cell melanoma morphology as a significant factor associated with positive SLN.
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145
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Farrús B, Vidal-Sicart S, Velasco M, Zanón G, Fernández PL, Muñoz M, Santamaría G, Albanell J, Biete A. Incidence of internal mammary node metastases after a sentinel lymph node technique in breast cancer and its implication in the radiotherapy plan. Int J Radiat Oncol Biol Phys 2004; 60:715-21. [PMID: 15465187 DOI: 10.1016/j.ijrobp.2004.04.021] [Citation(s) in RCA: 69] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2003] [Revised: 04/01/2004] [Accepted: 04/02/2004] [Indexed: 11/16/2022]
Abstract
PURPOSE To analyze the frequency in determining pathologically proven metastatic involvement of internal mammary nodes (IMN) after sentinel lymph node (SLN) technique in breast cancer and to evaluate the implications for radiotherapy (RT) management of patients. METHODS AND MATERIALS Two hundred and twenty-five patients who underwent lymphatic mapping for early breast cancer treated with breast-conserving surgery and radiation (80%) or mastectomy (20%) were evaluated. There were two phases in the study: the validation phase (105 patients, 52 T1, 53 T2 < or = 4 cm), and the application phase (120 patients, 70 T1, 50 T2 < or = 2.5 cm). In the validation, if a drainage pathway to the IMN was identified, no biopsy was performed in this phase. In the application, if the study showed metastases in the IMNs, biopsy was performed. When histologically proven IMN metastases were detected, RT was included on the IMN chain planned with a 3D treatment system using conformal techniques. At the beginning of the study the injection site was subdermal and subsequently, the injection site was changed to peritumoral and intratumoral to search for IMN. RESULTS In 31 patients of 225 (14%) hot spots were observed in the internal mammary chain (11.5% and 17.2% in the validation and application phases, respectively). In the validation phase, in 11 cases (11.5%) IMN drainage was observed, and in the application phase, in 20 cases (17.2%). Sampling of the internal mammary basin based on lymphoscintigraphy results was successful in 69% of the cases (14 of 20) and revealed metastatic involvement in 14% (2 of 14). This represents incidence of only 1.7% (2 of 116) in early breast cancer patients with SLN study in the application phase. In both cases the axillary SLN was also positive. Both patients with metastatic involvement of the IMN area received RT on the IMN chain next to the remaining breast after conservative surgery. CONCLUSIONS We can conclude that 14% of the patients with intraoperative drainage into the IMN surgical examination of the lymph nodes had pathologically positive metastases. The percentage in pathologically proven metastatic involvement of IMN after the SLN technique in early breast cancer is low, but it is not negligible. Moreover, it is expected to increase since the international recommendations have established a 3-cm cutoff for practicing the SLN technique. Although the real value of IMN irradiation in early breast cancer is not known, including this chain in postoperative radiotherapy is not recommended unless pathologically proven IMNs have been produced by the SLN technique. To avoid overdosage or underdosage in the joint between the medial tangential and IMN fields, an individualized 3D dosimetry study is mandatory to enhance dose distribution and reduce the heart volume to lessen side effects.
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Affiliation(s)
- Blanca Farrús
- Department of Radiation Oncology, Breast Pathology Unit, Hospital Clínic, Villaroel 170, 08036 Barcelona, Spain.
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146
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Vidal-Sicart S, Pons F, Fuertes S, Vilalta A, Rull R, Puig S, Palou JM, Ortega M, Castel T. Is the identification of in-transit sentinel lymph nodes in malignant melanoma patients really necessary? Eur J Nucl Med Mol Imaging 2004; 31:945-9. [PMID: 14997348 DOI: 10.1007/s00259-004-1485-1] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2003] [Accepted: 01/27/2004] [Indexed: 10/26/2022]
Abstract
The sentinel lymph node (SLN) is the first node in a nodal basin to receive the direct lymphatic flow from a malignant melanoma. However, in some patients, lymphoscintigraphic study reveals the presence of lymphatic nodes in the area between the primary melanoma and the regional basin. These nodes are called "in-transit nodes" or "interval nodes" and, by definition, are also SLNs. The purpose of this study was to determine the incidence and location of in-transit SLNs in patients with malignant melanoma and to assess whether it is really necessary to harvest them. The evaluation involved 600 consecutive malignant melanoma patients. Lymphoscintigraphy was performed on the day before surgery following intradermal injection of 74-111 MBq of (99m)Tc-nanocolloid in four doses around the primary melanoma or the biopsy scar. Dynamic and static images were obtained and revealed SLNs in 599 out of 600 patients. The SLN was intraoperatively identified with the aid of patent blue dye and a hand-held gamma probe. Lymphoscintigraphy showed in-transit SLNs in 59/599 patients (9.8%). During surgery, all these in-transit SLNs were harvested, with those in the popliteal and epitrochlear regions being the most difficult to identify and excise. Metastatic cell deposits were subsequently identified in ten (16.9%) of these in-transit SLNs. In conclusion, lymphoscintigraphy has a key role in the identification of in-transit SLNs. Although the incidence of these nodes is relatively low in malignant melanoma patients, such SLNs present metastatic deposits in a significant percentage of cases and therefore the identification of in-transit SLNs in these patients is really necessary.
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Affiliation(s)
- Sergi Vidal-Sicart
- Department of Nuclear Medicine, Hospital Clínic, University of Barcelona, Spain.
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147
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Paredes P, Vidal-Sicart S, García S, Pahisa J, Torné A, Ordi J, Fuertes S, Ortega M, Pons F. Utilidad de la detección del ganglio centinela en el tratamiento y la estadificación del carcinoma de cérvix uterino inicial. ACTA ACUST UNITED AC 2004; 23:253-8. [PMID: 15207209 DOI: 10.1016/s0212-6982(04)72295-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE The aim of this study was to evaluate the usefulness of intraoperative sentinel node (SN) detection in patients with initial cervix cancer. PATIENTS AND METHODS Lymphoscintigraphy and intraoperative SN detection was performed in 17 patients with initial cervix cancer who we going to have a radical laparoscopic hysterectomy and pelvic lymphadenectomy. Conization was performed in 4/17. The day before surgery, an injection of 111 MBq 99mtechnetium nanocolloid around the primary tumour and a subsequent lymphoscintigraphy were carried out. Blue dye was injected at the same location intraoperatively. A laparoscopic gamma probe was used to identify SNs. RESULTS SNs were successfully localized using a combination of radiocolloid and blue dye in 16/17 patients (detection rate 94 %). The detection rate only using blue dye technique decreases to 71 % (12/17) and it reaches an 82 % (14/17) if we avoid the blue dye injection. In 3 cases, there was no migration in lymphoscintigraphy and in one of the three SN could not be detected. Thirty-three SNs were identified (1.9 nodes/patient). The most frequent location was left external iliac nodal group (13 nodes: 39 %). SNs were identified in regions that are not included in usual lymphadenectomy: right parametrium (2 sentinel nodes, one of them in the retrouterine region), and interiliac (2 SNs). In all four patients with previous conization SNs were identified (detection rate 100 %). CONCLUSIONS The rate of SN detection combining lymphoscintigraphy with gamma probe and blue dye is 82 %. The use of blue dye allows increasing this rate to 94 % in those cases which migration was not seen or when the SN is placed near the injection site. The SN technique offers the possibility to find SNs in regions not included in usual lymphadenectomy.
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Affiliation(s)
- P Paredes
- Servicio de Medicina Nuclear, CDIC, Hospital Clínic de Barcelona
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148
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149
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Affiliation(s)
- F Pons
- Servicio de Medicina Nuclear. Hospital Clínic. Barcelona. Spain.
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150
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Vilella R, Benitez D, Milà J, Vilalta A, Rull R, Cuellar F, Conill C, Vidal-Sicart S, Costa J, Yachi E, Palou J, Malvehy J, Puig S, Marti R, Mellado B, Castel T. Treatment of patients with progressive unresectable metastatic melanoma with a heterologous polyvalent melanoma whole cell vaccine. Int J Cancer 2003; 106:626-631. [PMID: 12845663 DOI: 10.1002/ijc.11242] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Unresectable metastatic melanoma has no elective treatment. Neither chemotherapy, intravenous IL-2 nor biochemotherapy clearly improves the overall survival. Recent assays with therapeutic vaccines have been recently yielded promising results. Here, we describe the application, clinical tolerance and antitumoural activity of a heterologous polyvalent melanoma whole cell vaccine in patients with metastatic melanoma. Twenty-eight AJCC stage III/IV melanoma patients with progressive unresectable metastatic disease were treated with our heterologous polyvalent melanoma whole cell vaccine between July 1, 1998 and July 1, 2002. All patients had already been unsuccessfully treated with high doses of IFN-alpha2 and/or polychemotherapy and/or biochemotherapy and/or perfusion of extremities, or could not receive other treatments due to their age or underlying illness. Twenty-three were assessable. The vaccine was constituted by 10 melanoma cell lines, derived from primary, lymph node and metastatic melanomas. Prior to intradermal inoculation, the cells were irradiated and mixed with BCG, and 50% were treated with DNFB. After a median follow-up of 19 months, 26% of patients responded: 3 CR (18, 16+, and 26+ months), 2 PR (8 and 22 months) and 1 MR (36+ months). The median survival of the whole group was 20.2 months. None of the 28 patients initially included in the study presented significant toxicity. This vaccination program had specific antitumoural activity in advanced metastatic melanoma patients and was well tolerated. The clinical responses and the median survival of our group of patients, together with the low toxicity of our polyvalent vaccine, suggest that this approach could be applied to earlier metastatic melanoma patients.
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Affiliation(s)
- Ramon Vilella
- Department of Immunology, Hospital Clinic and IDIBAPS, Barcelona, Spain
| | - Daniel Benitez
- Department of Immunology, Hospital Clinic and IDIBAPS, Barcelona, Spain
| | - Jordi Milà
- Department of Immunology, Hospital Clinic and IDIBAPS, Barcelona, Spain
| | - Antoni Vilalta
- Department of Dermatology, Hospital Clinic and IDIBAPS, Barcelona, Spain
| | - Ramon Rull
- Department of Surgery, Hospital Clinic and IDIBAPS, Barcelona, Spain
| | - Francisco Cuellar
- Department of Dermatology, Hospital Clinic and IDIBAPS, Barcelona, Spain
| | - Carles Conill
- Department of Radiotherapy, Hospital Clinic and IDIBAPS, Barcelona, Spain
| | - Sergi Vidal-Sicart
- Department of Nuclear Medicine, Hospital Clinic and IDIBAPS, Barcelona, Spain
| | - Josep Costa
- Department of Microbiology, Hospital Clinic and IDIBAPS, Barcelona, Spain
| | - Eva Yachi
- Department of Dermatology, Hospital Clinic and IDIBAPS, Barcelona, Spain
| | - Josep Palou
- Department of Dermatology, Hospital Clinic and IDIBAPS, Barcelona, Spain
| | - Josep Malvehy
- Department of Dermatology, Hospital Clinic and IDIBAPS, Barcelona, Spain
| | - Susana Puig
- Department of Dermatology, Hospital Clinic and IDIBAPS, Barcelona, Spain
| | - Rosa Marti
- Department of Dermatology, Hospital Clinic and IDIBAPS, Barcelona, Spain
| | - Begoña Mellado
- Department of Oncology, Hospital Clinic and IDIBAPS, Barcelona, Spain
| | - Teresa Castel
- Department of Dermatology, Hospital Clinic and IDIBAPS, Barcelona, Spain
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