1
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Cho Y, Kim AY, Song JJ, Chae SW. Mucosa-associated Lymphoid Tissue Misdiagnosis as Glomus Tympanicum. Laryngoscope 2024; 134:1894-1896. [PMID: 37602748 DOI: 10.1002/lary.30998] [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: 06/27/2023] [Revised: 08/10/2023] [Accepted: 08/11/2023] [Indexed: 08/22/2023]
Abstract
Middle ear tumors are diverse, but relatively uncommon. The most frequent tumor in the middle ear is glomus tumor, followed by others such as schwannoma and cholesteatoma. We experienced a case of Mucosa-associated lymphoid tissue hyperplasia as a middle ear tumor. The mass behind tympanic membrane appeared a hypervascular tumor, mimicking a glomus tumor, but the form of multiple separate masses in middle ear and mastoid cavity was the distinguishing feature that set it apart from a glomus tumor. Additionally, another characteristic was its tendency to easily shrink under pressure. This characteristic should be considered when encounter a hypervascular looking middle ear mass. Laryngoscope, 134:1894-1896, 2024.
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Affiliation(s)
- Yongmin Cho
- Department of Otorhinolaryngology-Head and Neck Surgery, Korea University Guro Hospital, Seoul, South Korea
| | - Angela Y Kim
- Department of Otorhinolaryngology-Head and Neck Surgery, Korea University Guro Hospital, Seoul, South Korea
| | - Jae-Jun Song
- Department of Otorhinolaryngology-Head and Neck Surgery, Korea University Guro Hospital, Seoul, South Korea
| | - Sung-Won Chae
- Department of Otorhinolaryngology-Head and Neck Surgery, Korea University Guro Hospital, Seoul, South Korea
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2
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Sun W, Wang M, Yue J. Endolymphatic sac tumor misdiagnosed as metastatic renal cell carcinoma: Pitfalls in morphology and immunohistochemistry. Clin Neuropathol 2024; 43:43-47. [PMID: 38495013 DOI: 10.5414/np301603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/28/2024] [Indexed: 03/19/2024] Open
Abstract
Endolymphatic sac tumor (ELST) is a rare disease that originates from the endolymphatic sac system of the inner ear. Being a low-grade malignant tumor, ELST has a mild morphology and is characterized by a slow but aggressive growth. Most clinicians and pathologists are unfamiliar with this disease. ELST can be misdiagnosed as metastatic renal cancer because of the similarity in morphology and expression of nephrogenic markers such as PAX8. The presented case of a 27-year-old man revealed that observing the characteristic location and confirming the absence of renal neoplasm to rule out the possibility of metastasis are critical for obtaining an accurate final diagnosis.
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3
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Avagnina A, Guinand N, Monnier Y, Dulguerov N. [Malignant external auditory canal tumors : management of a rare tumor]. Rev Med Suisse 2023; 19:1786-1790. [PMID: 37791692 DOI: 10.53738/revmed.2023.19.844.1786] [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: 10/05/2023]
Abstract
Malignant tumors of the external auditory canal are rare tumors and very often diagnosed at an advanced stage due to non-specific symptoms. The best treatment is the radical surgery, eventually followed by radiotherapy. A multidisciplinary team is essential to realize an optimal management. Prognosis remains unfavorable for advanced tumors.
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Affiliation(s)
- Andrea Avagnina
- Service d'ORL et de chirurgie cervico-faciale, Département des neurosciences cliniques, Hôpitaux universitaires de Genève, 1211 Genève 14
| | - Nils Guinand
- Service d'ORL et de chirurgie cervico-faciale, Département des neurosciences cliniques, Hôpitaux universitaires de Genève, 1211 Genève 14
| | - Yan Monnier
- Service d'ORL et de chirurgie cervico-faciale, Département des neurosciences cliniques, Hôpitaux universitaires de Genève, 1211 Genève 14
| | - Nicolas Dulguerov
- Service d'ORL et de chirurgie cervico-faciale, Département des neurosciences cliniques, Hôpitaux universitaires de Genève, 1211 Genève 14
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4
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Assiri SA, Altwairqi RG, Alotaibi R, Ibrahim M. External auditory canal sebaceous carcinoma. BMJ Case Rep 2023; 16:e255038. [PMID: 37775279 PMCID: PMC10546117 DOI: 10.1136/bcr-2023-255038] [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] [Accepted: 09/08/2023] [Indexed: 10/01/2023] Open
Abstract
The incidence of sebaceous carcinoma (SC) in the outer one-third of the external auditory canal is considered extremely rare, and only eight case reports have been published. We present a case of a male patient in his late 70s known case of hypertension on indapamide. His medical history included a postspinal tumour that had been treated with surgery and radiation more than 40 years ago and current complaints of right ear pain and purulent discharge. A right ear soft granular tissue mass was found. Complete debulking of the right ear mass was done in conjunction with middle ear exploration, moderately differentiated SC diagnosis was made based on the histopathological analysis. The patient was free of recurrence but then died of an unrelated pulmonary infection. SC should be suspected in elderly patients who present with long-term complaints of a mass with or without otalgia, and these patients should be examined for the presence of such tumours especially if they report a history of radiation. Additionally, more research is warranted to investigate the association of diuretics with SC.
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Affiliation(s)
- Sara A Assiri
- Otolaryngology-Head and Neck Surgery Department, King Faisal Medical Complex, Taif, Makkah, Saudi Arabia
| | - Rahaf Ghazi Altwairqi
- Otolaryngology-Head and Neck Surgery Department, Al Hada Military Hospital, Taif, Makkah, Saudi Arabia
| | | | - Mohammed Ibrahim
- Otorhinolaryngology-Head and Neck Surgery Department, Al Hada Military Hospital, Taif, Makkah, Saudi Arabia
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5
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Kryukov AI, Garov EV, Zelenkova VN, Sudarev PA, Kaloshina AS, Garova EE, Hublaryan AG, Statsenko YA. [Neuroendocrine adenoma middle ear]. Vestn Otorinolaringol 2022; 87:63-69. [PMID: 36404693 DOI: 10.17116/otorino20228705163] [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] [Indexed: 06/16/2023]
Abstract
Neuroendocrine adenoma (NEA) is an extremely rare pathology and accounts for less than 2% of all ear tumors. The article provides an overview of the diagnosis, classification, treatment methods and algorithm for monitoring patients with NEA of the middle ear. 6 cases of NEA of the tympanic cavity are described in detail, which were diagnosed and treated in GBUZ NIKIO named after N.N. L.I. Sverzhevsky DZM for the last 5 years. Diagnosis of NEA of the middle ear is possible when performing high-resolution multislice computed tomography of the temporal bones and magnetic resonance imaging with contrast enhancement, however, the neoplasm can be verified only after a histological examination with the determination of the immunophenotype. Differential diagnosis of NEA of the tympanic cavity with other processes of the middle ear must be carried out at each stage of the diagnostic path. Surgical treatment, depending on the volume of education, allows you to remove it completely and improve the auditory function.
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Affiliation(s)
- A I Kryukov
- L.I. Sverzhevskiy Research Institute of Clinical Otorhinolaryngology, Moscow, Russia
- Pirogov Russian National Research Medical University, Moscow, Russia
| | - E V Garov
- L.I. Sverzhevskiy Research Institute of Clinical Otorhinolaryngology, Moscow, Russia
- Pirogov Russian National Research Medical University, Moscow, Russia
| | - V N Zelenkova
- L.I. Sverzhevskiy Research Institute of Clinical Otorhinolaryngology, Moscow, Russia
| | - P A Sudarev
- L.I. Sverzhevskiy Research Institute of Clinical Otorhinolaryngology, Moscow, Russia
| | - A S Kaloshina
- L.I. Sverzhevskiy Research Institute of Clinical Otorhinolaryngology, Moscow, Russia
| | - E E Garova
- L.I. Sverzhevskiy Research Institute of Clinical Otorhinolaryngology, Moscow, Russia
| | - A G Hublaryan
- L.I. Sverzhevskiy Research Institute of Clinical Otorhinolaryngology, Moscow, Russia
| | - Ya A Statsenko
- L.I. Sverzhevskiy Research Institute of Clinical Otorhinolaryngology, Moscow, Russia
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6
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Asa SL, Arkun K, Tischler AS, Qamar A, Deng FM, Perez-Ordonez B, Weinreb I, Bishop JA, Wenig BM, Mete O. Middle Ear "Adenoma": a Neuroendocrine Tumor with Predominant L Cell Differentiation. Endocr Pathol 2021; 32:433-441. [PMID: 34041698 DOI: 10.1007/s12022-021-09684-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/18/2021] [Indexed: 12/24/2022]
Abstract
This morphological and immunohistochemical study demonstrates that tumors currently known as "middle ear adenomas" are truly well-differentiated epithelial neuroendocrine tumors (NETs) composed of cells comparable to normal intestinal L cells, and therefore, these tumors resemble hindgut NETs. These tumors show consistent expression of glucagon, pancreatic polypeptide, PYY, and the transcription factor SATB2, as well as generic neuroendocrine markers and keratins. The same L cell markers are expressed by cells within the normal middle ear epithelium. These markers define a valuable immunohistochemical profile that can be used for differential diagnosis of middle ear neoplasms, particularly in distinguishing epithelial NETs from paragangliomas. The discovery of neuroendocrine cells expressing the same markers in non-neoplastic middle ear mucosa opens new areas of investigation into the physiology of the normal middle ear and the pathophysiology of middle ear disorders.
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Affiliation(s)
- Sylvia L Asa
- Department of Pathology, University Hospitals Cleveland Medical Center, Case Western Reserve University, Cleveland Ohio, 44106, USA.
| | - Knarik Arkun
- Department of Pathology and Laboratory Medicine, Tufts Medical Center, Boston, USA
| | - Arthur S Tischler
- Department of Pathology and Laboratory Medicine, Tufts Medical Center, Boston, USA
| | - Adnan Qamar
- Department of Pathology and Laboratory Medicine, Tufts Medical Center, Boston, USA
| | | | - Bayardo Perez-Ordonez
- Department of Pathology, University Health Network, University of Toronto, Ontario, M5G 2C4, Toronto, Canada
| | - Ilan Weinreb
- Department of Pathology, University Health Network, University of Toronto, Ontario, M5G 2C4, Toronto, Canada
| | - Justin A Bishop
- Department of Pathology, University of Texas Southwestern Medical Center, Dallas, USA
| | - Bruce M Wenig
- Department of Pathology, Moffitt Cancer Center, Tampa, FL, 33616, USA
| | - Ozgur Mete
- Department of Pathology, University Health Network, University of Toronto, Ontario, M5G 2C4, Toronto, Canada
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7
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Farmer W, Tallman R, Kiavash K, Codrea V. Bilateral Posterior Ear Squamous Cell Carcinoma In Situ Lesions Along the Path of Mask Strap Friction. Dermatol Surg 2021; 47:1400-1401. [PMID: 34417391 DOI: 10.1097/dss.0000000000003180] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Affiliation(s)
- William Farmer
- Department of Dermatology, West Virginia University, Morgantown, West Virginia
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8
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Fong PY, Tan TY, Kiong KL. Concurrent chemoradiation in locally advanced primary middle ear lymphoepithelial carcinoma: an effective treatment modality case report. J Otolaryngol Head Neck Surg 2021; 50:1. [PMID: 33407879 PMCID: PMC7788722 DOI: 10.1186/s40463-020-00489-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Accepted: 12/21/2020] [Indexed: 12/03/2022] Open
Abstract
BACKGROUND Definitive treatment of primary middle ear lymphoepithelial carcinoma (LEC) is not well established owing to the rarity of this disease entity. We report a case of locally advanced primary middle ear LEC treated with concurrent chemoradiation, with good oncologic outcomes. CASE PRESENTATION A 46 year-old female of Cantonese (Southern Chinese) descent presented with a four-month history of left sided hearing loss and non-pulsatile tinnitus, associated with progressive ipsilateral facial weakness. She had a left facial palsy (House-Brackmann 2) which then deteriorated to complete palsy over 2 weeks. Otoscopic examination of the left ear revealed a red-hued mass replacing the tympanic membrane. There was no cervical lymphadenopathy. Fibreoptic nasoendoscopy was unremarkable. Pure tone audiometry revealed profound mixed left hearing loss with type B impedance. Computed tomography of the temporal bone showed an ill-defined left middle ear mass with erosion of the malleus, tegmen tympani and facial canal. Magnetic Resonance Imaging showed an avidly enhancing lesion involving the dura of the left middle cranial fossa, tympanic and labyrinthine portions of the facial nerve. This mass extended into the apex of the left internal acoustic canal and basal turn of the cochlea. Histopathology confirmed EBV-positive primary middle ear LEC. Concurrent chemoradiation comprising 70Gy of intensity-modulated radiation therapy and 3 cycles of concurrent Cisplatin based chemotherapy over a 6 week period was administered. The patient achieved near-complete disease resolution on 3 month post-treatment imaging. Serum EBV DNA titres declined to undetectable levels and the patient is disease-free at 18 months post-diagnosis. DISCUSSION AND CONCLUSION Concurrent chemoradiation with curative intent may be a viable treatment option for locally advanced middle ear LEC not amenable to surgical resection due to expected surgical morbidity. It confers good oncologic outcomes that mimic the response in other head and neck EBV-related lymphoepithelial carcinomas.
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Affiliation(s)
- Pei Yuan Fong
- Department of Otolaryngology, SingHealth, 20 College Road, Level 5 Academia, Singapore, 169856, Singapore
| | - Tiong Yong Tan
- Department of Diagnostic Radiology, Changi General Hospital, 2 Simei Street 3, Singapore, 529889, Singapore
| | - Kimberley Liqin Kiong
- Department of Otolaryngology, SingHealth, 20 College Road, Level 5 Academia, Singapore, 169856, Singapore.
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9
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Zhou YY, Coffey M, Mansur D, Wasman J, Asa SL, Couce M. Images in Endocrine Pathology: Progressive Loss of Sustentacular Cells in a Case of Recurrent Jugulotympanic Paraganglioma over a Span of 5 years. Endocr Pathol 2020; 31:310-314. [PMID: 32548761 DOI: 10.1007/s12022-020-09632-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Yi Yuan Zhou
- Department of Pathology, University Hospitals Cleveland Medical Center, Cleveland, OH, USA
- Case Western Reserve University School of Medicine, Cleveland, OH, USA
| | - Michael Coffey
- Case Western Reserve University School of Medicine, Cleveland, OH, USA
- Department of Radiology, University Hospitals Cleveland Medical Center, Cleveland, OH, USA
| | - David Mansur
- Department of Radiation Oncology, UH Cleveland Medical Center, Cleveland, OH, 44106, USA
| | - Jay Wasman
- Department of Pathology, University Hospitals Cleveland Medical Center, Cleveland, OH, USA
- Case Western Reserve University School of Medicine, Cleveland, OH, USA
| | - Sylvia L Asa
- Department of Pathology, University Hospitals Cleveland Medical Center, Cleveland, OH, USA
- Case Western Reserve University School of Medicine, Cleveland, OH, USA
| | - Marta Couce
- Department of Pathology, University Hospitals Cleveland Medical Center, Cleveland, OH, USA.
- Case Western Reserve University School of Medicine, Cleveland, OH, USA.
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10
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Abstract
CASE DESCRIPTION An 18-year-old domestic medium-hair cat (cat 1) and a 16-year-old domestic shorthair cat (cat 2) were evaluated because of obstructive skin lesions involving the perimeter of the left external auditory canal. CLINICAL FINDINGS Otitis externa was present in affected ears secondary to obstructive soft tissue growths involving the outer margin of the external auditory canal and outer third of the vertical ear canal. Histologic examination of a preoperative biopsy sample revealed multiple ulcerated ceruminous gland adenomas in the affected ear of cat 1. Histologic examination of the submitted tissue from cat 2 confirmed ceruminous cystomatosis with surface colonization of yeast compatible with Malassezia spp. TREATMENT AND OUTCOME Both cats underwent partial resection of the upper third of the affected vertical ear canal and associated diseased skin. The incised margin of the pinna was sutured to the margin of the remaining portion of the vertical ear canal with absorbable sutures. Both cats were disease free over a 12-month (cat 1) or 10-month (cat 2) follow-up period. Cat 1 later developed a small ceruminous gland adenocarcinoma in the adjacent rostrolateral margin of the vertical ear canal 1 year after surgery; the mass was resected, and the patient was free of recurrence 4 months later. CLINICAL RELEVANCE Partial resection was an effective alternative to complete vertical ear canal resection for lesions involving the upper third of the vertical ear canal in these cats; the partial resection procedure was deemed simpler to perform and less traumatic to the cat. Functional and cosmetic results were excellent, with preservation of the overall anatomy of the external auditory canal.
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11
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Navrazhina K, Parra CE, Cressey BD, Xanthos C, Christos PJ, Minkis K. Basal cell carcinomas of the ear are more aggressive and have higher discordance rates between biopsy and Mohs histopathology. J Am Acad Dermatol 2020; 83:1805-1807. [PMID: 32289399 DOI: 10.1016/j.jaad.2020.04.015] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Revised: 03/19/2020] [Accepted: 04/04/2020] [Indexed: 11/18/2022]
Affiliation(s)
| | - Cindy E Parra
- Department of Dermatology, Weill Cornell Medicine, New York, New York
| | | | | | - Paul J Christos
- Department of Healthcare Policy and Research, Weill Cornell Medical College, New York, New York
| | - Kira Minkis
- Department of Dermatology, Weill Cornell Medicine, New York, New York.
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12
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Ding C, Huang Y, Shi M, Nie B, Li Y, Wu K, Yang J, Zeng Y. CD20-negative primary middle ear diffuse large B-cell lymphoma coexpressing MYC and BCL-2 secondary to acute lymphoblastic leukemia: A case report. Medicine (Baltimore) 2019; 98:e15204. [PMID: 30985716 PMCID: PMC6485888 DOI: 10.1097/md.0000000000015204] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
RATIONALE Second diffuse large B-cell lymphoma (DLBCL) after treatment of acute lymphoblastic leukemia (ALL) is uncommon. To our knowledge, primary middle ear DLBCL which presents CD20-negative and coexpression of MYC and BCL-2 has not been reported yet. PATIENT CONCERNS A 20-year-old Chinese man complained fever and weakness for 2 months. Subsequently bone marrow morphology and flow cytometry immunophenotype suggested ALL. Administrated with 9 cycles of multiagent combined chemotherapy, he felt right ear progressive hearing loss, otalgia, aural fullness. Otoendoscopic examination revealed a pitchy mass obstructing the right external auditory canal. Then the mass resection was performed for biopsy and immunohistochemistry examination. DIAGNOSIS The mass was diagnosed as DLBCL which was negative for CD20 and double expression of MYC and BCL-2. INTERVENTIONS Chemotherapy. OUTCOMES The patient eventually gave up and died of severe infection. LESSONS Although intensive chemotherapy has markedly improved the survival of ALL, more and more secondary cancers have been reported. In addition, primary middle ear lymphoma is much rare; hence, it is easy to be misdiagnosed. Furthermore, DLBCL with negative CD20 and double expression of MYC and BCL-2 is aggressive, which is characterized by chemotherapy resistance and inferior survival rates. We discuss this case aiming at raising awareness of tumors secondary to ALL and exploring the appropriate treatment options for the rare DLBCL.
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MESH Headings
- Antigens, CD20/analysis
- Biomarkers, Tumor/analysis
- Diagnosis, Differential
- Ear Neoplasms/chemistry
- Ear Neoplasms/diagnosis
- Ear Neoplasms/drug therapy
- Ear Neoplasms/pathology
- Ear, Middle
- Fatal Outcome
- Humans
- Lymphoma, Large B-Cell, Diffuse/chemistry
- Lymphoma, Large B-Cell, Diffuse/diagnosis
- Lymphoma, Large B-Cell, Diffuse/drug therapy
- Lymphoma, Large B-Cell, Diffuse/pathology
- Male
- Neoplasms, Second Primary/diagnosis
- Precursor Cell Lymphoblastic Leukemia-Lymphoma/drug therapy
- Precursor Cell Lymphoblastic Leukemia-Lymphoma/pathology
- Proto-Oncogene Proteins c-bcl-2/analysis
- Proto-Oncogene Proteins c-myc/analysis
- Young Adult
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13
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Davis AL, Gangatharan S, Kuthubutheen J. Unusual case of unilateral conductive hearing loss: chronic lymphocytic leukaemia. BMJ Case Rep 2018; 2018:bcr-2017-223444. [PMID: 30317188 DOI: 10.1136/bcr-2017-223444] [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] [Indexed: 11/03/2022] Open
Abstract
This presentation reports a novel case of chronic lymphocytic leukaemia (CLL), presenting with an early cutaneous lesion within the external auditory canal, in a patient being assessed for conductive hearing loss. It has previously been reported that infiltrative CLL can involve the head and neck; however, isolated external ear canal involvement is rare. Given that the incidence of CLL in Australia is rising, this case highlights the importance of considering CLL as a differential diagnosis for presentations of unilateral conductive hearing loss.
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MESH Headings
- Diagnosis, Differential
- Ear Canal/diagnostic imaging
- Ear Canal/pathology
- Ear Neoplasms/diagnosis
- Ear Neoplasms/diagnostic imaging
- Ear Neoplasms/pathology
- Hearing Loss, Conductive
- Humans
- Leukemia, Lymphocytic, Chronic, B-Cell/diagnosis
- Leukemia, Lymphocytic, Chronic, B-Cell/diagnostic imaging
- Leukemia, Lymphocytic, Chronic, B-Cell/pathology
- Male
- Middle Aged
- Tomography, X-Ray Computed
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Affiliation(s)
- Amelia Leigh Davis
- School of Surgery, University of Western Australia, Crawley, Western Australia, Australia
| | - Shane Gangatharan
- School of Pathology and Laboratory Medicine, University of Western Australia, Nedlands, Western Australia, Australia
- Australian Clinical Labs, Osborne Park, Western Australia, Australia
| | - Jafri Kuthubutheen
- School of Surgery, University of Western Australia, Crawley, Western Australia, Australia
- Otolaryngology Head and Neck Surgery, Fiona Stanley Hospital, Perth, Western Australia, Australia
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14
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Thompson LDR, Magliocca KR, Andreasen S, Kiss K, Rooper L, Stelow E, Wenig BM, Bishop JA. CAIX and pax-8 Commonly Immunoreactive in Endolymphatic Sac Tumors: A Clinicopathologic Study of 26 Cases with Differential Considerations for Metastatic Renal Cell Carcinoma in von Hippel-Lindau Patients. Head Neck Pathol 2018; 13:355-363. [PMID: 30291511 PMCID: PMC6684711 DOI: 10.1007/s12105-018-0973-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Accepted: 09/24/2018] [Indexed: 12/18/2022]
Abstract
Endolymphatic sac tumors (ELSTs) are rare, slowly growing temporal bone neoplasms which show a high association with von Hippel-Lindau (VHL) syndrome. The immunohistochemistry evaluation of these papillary-cystic neoplasms frequently raises the differential diagnosis with renal cell carcinoma, among other metastatic neoplasms, whether in VHL patients or not. A cohort of 26 patients with ELSTs were evaluated for histologic features, immunohistochemistry findings, and association with VHL. Standard immunohistochemistry evaluation was performed. Sixteen females and 10 males ranging in age from 10 to 69 years (mean 44; VHL mean: 32) at initial presentation, comprised the cohort of patients. Most (86%) experienced hearing changes or inner ear symptoms (vertigo, dizziness), with an average duration of symptoms for 39 months (range 2-240 months). The tumors were an average of 2.9 cm (range 0.4-8 cm), with 14 left, 11 right sided and one bilateral tumor. Nine patients had documented VHL, with 3 patients having a concurrent or subsequent clear cell renal cell carcinoma. Patients were followed an average of 6.2 years (available in 24 patients): 19 alive without disease, 7.5 years; 2 dead without disease, 1.2 years; and 3 alive with disease, 3.1 years. The neoplastic cells show the following immunohistochemistry findings: AE1/AE3, EMA, CK7, CAIX, GLUT1, VEGF: 100% of cases tested were positive; pax-8: 85% of cases positive; CD10 and RCC: 0% of cases reactive. Based on this cohort of 26 patients with ELST, 9 of whom had VHL, the strong pax-8 and CAIX should be used in conjunction with negative CD10 and RCC to help exclude a metastatic renal cell carcinoma. As CAIX is an enzyme overexpressed in hypoxia and hypoxia inducible factor is what VHL protein regulates, this is an expected, although previously unreported finding. Whether part of VHL or not, VHL mutations may be a somatic rather than germline finding in the tumors, a possible further explanation for the CAIX reaction.
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Affiliation(s)
- Lester D R Thompson
- Southern California Permanente Medical Group, Woodland Hills, CA, USA.
- Department of Pathology, Woodland Hills Medical Center, Southern California Permanente Medical Group, 5601 De Soto Avenue, Woodland Hills, CA, 91365, USA.
| | | | - Simon Andreasen
- Department of Otorhinolaryngology Head and Neck Surgery and Audiology & Department of Pathology, Rigshospitalet, Copenhagen, Denmark
| | - Katlin Kiss
- Department of Pathology, Rigshospitalet, Copenhagen, Denmark
| | | | | | | | - Justin A Bishop
- University of Texas, Southwestern Medical Center, Dallas, TX, USA
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15
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Chiu HH, Wu CS, Chien CY, Tsai KB, Chan LP. Microcystic adnexal carcinoma of the external auditory canal. Cutis 2018; 102:E11-E13. [PMID: 30235377] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Affiliation(s)
- Hsiu-Hui Chiu
- Department of Dermatology, Pingtung Christian Hospital, Taiwan
| | - Chieh-Shan Wu
- Department of Dermatology, Kaohsiung Veterans General Hospital, Taiwan, and the Department of Dermatology, Faculty of Medicine, College of Medicine, Kaohsiung Medical University
| | - Chen-Yu Chien
- Department of Otolaryngology-Head and Neck Surgery, Kaohsiung Medical University Hospital, and Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung Medical University, Taiwan
| | - Kun-Bow Tsai
- Department of Pathology, Kaohsiung Municipal Hsiao-Kang Hospital, Kaohsiung Medical University, Taiwan
| | - Leong-Perng Chan
- Department of Otolaryngology-Head and Neck Surgery, Kaohsiung Medical University Hospital, and Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung Medical University, Taiwan
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16
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Yatiee SL, Mohd Khairi MD, Md Salzihan MS, Ikmal HB. Intradermal Naevi of External Auditory Canal: Unusual location with a unique presentation. Med J Malaysia 2018; 73:121-122. [PMID: 29703880] [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: 06/08/2023]
Abstract
The incidence of intradermal nevus in the external auditory canal is uncommon. We herein are describing a case of 60-year-old lady who presented with foreign body sensation in the right external ear canal (EAC) with mild discomfort and ear bleed during ear picking. Otoscopic examination revealed hyperpigmented mass on the floor of the outer two third of EAC. Complete excisional biopsy of the mass resulted in histopathology findings of intradermal nevus. Despite the fact that the disease is not alarming, the possibilities of benign melanocytic nevi transformation into malignant lesions such as melanoma need to be ruled out.
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Affiliation(s)
- S L Yatiee
- Universiti Sains Malaysia, School of Medical Sciences, Department of Otorhinolaryngology, Health Campus, Kubang Kerian, Kelantan, Malaysia.
| | - M D Mohd Khairi
- Universiti Sains Malaysia, School of Medical Sciences, Department of Otorhinolaryngology, Health Campus, Kubang Kerian, Kelantan, Malaysia
| | - M S Md Salzihan
- Universiti Sains Malaysia, School of Medical Sciences, Department of Pathology, Health Campus, Kubang Kerian, Kelantan, Malaysia
| | - H B Ikmal
- Universiti Sains Malaysia, School of Medical Sciences, Department of Pathology, Health Campus, Kubang Kerian, Kelantan, Malaysia
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17
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Majda AN, Majdan A, Piłat P, Cisek P. [Gout or squamous cell cancer of the ear in a 91-year-old man - diagnostic and therapeutic problems: a case report]. Wiad Lek 2018; 71:88-92. [PMID: 29558358] [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] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Gout tophi around auricular area are common in old men. The differential diagnosis of papules or nodules on the ear includes tophaceous gout, rheumatoid nodules, basal or squamous cell cancer, melanoma, verruca vulgaris or actinic keratosis. The presence of the skin cancer, most commonly located on the head and neck, is often related to the long exposure of the skin to sunlight. Elderly patients are the predominant group of patients with skin malignancies. The aim of this study is to emphasize the importance of early cancer detection in elderly people and use of appropriate therapeutic options that take into account the special requirements of geriatric patients. In this article the case of a 91-year-old man with advanced gout and squamous cell cancer of the skin of the ear, treated radically with a positive clinical effect, is presented. Moreover, the diagnostic and therapeutic problems are presented.
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Affiliation(s)
- Andrzej N Majda
- Zakład Onkologii, Uniwersytet Medyczny w Lublinie, Lublin, Polska
| | - Aleksandra Majdan
- Katedra i Klinika Reumatologii i Układowych Chorób Tkanki Łącznej, Uniwersytet Medyczny w Lublinie, Lublin, Polska, Studia Doktoranckie, Katedra i Zakład Fizjologii Człowieka, Uniwersytet Medyczny w Lublinie, Lublin, Polska
| | - Paweł Piłat
- Katedra i Klinika Dermatologii, Wenerologii i Dermatologii Dziecięcej, Uniwersytet Medyczny w Lublinie, Lublin, Polska
| | - Paweł Cisek
- Zakład Onkologii, Uniwersytet Medyczny w Lublinie, Lublin, Polska
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18
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Warner E, Weston C, Barclay-Klingle N, Corbridge R. The swollen pinna. BMJ 2017; 359:j5073. [PMID: 29146730 DOI: 10.1136/bmj.j5073] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- E Warner
- Royal Berkshire Hospital, Reading, UK
| | - C Weston
- Royal Berkshire Hospital, Reading, UK
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19
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Shiun Chuen C, Md Daud MK, Che Jalil NA, Hazmi H. Relapse of B-cell acute lymphoblastic leukaemia presenting as right aural polyp with facial and mandibular nerves palsy. Med J Malaysia 2017; 72:318-320. [PMID: 29197892] [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: 06/07/2023]
Abstract
A patient presenting with an ear polyp is a common finding in otorhinolaryngology practice. The common causes include chronic otitis media and cholesteatoma. We report an adult female patient with a history of acute leukaemia presenting with chronic otitis media symptoms and right ear polyp. She was subsequently diagnosed as relapse of B-cell acute lymphoblastic leukaemia based on histopathological examination. The presentation may be similar to an inflammatory pathology of the middle ear, making it misleading.
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Affiliation(s)
- C Shiun Chuen
- Universiti Sains Malaysia, School of Medical Sciences, Department of Otorhinolaryngology, Health Campus, Kubang Kerian, Kelantan, Malaysia.
| | - M K Md Daud
- Universiti Sains Malaysia, School of Medical Sciences, Department of Otorhinolaryngology, Health Campus, Kubang Kerian, Kelantan, Malaysia
| | - N A Che Jalil
- Universiti Sains Malaysia, School of Medical Sciences, Department of Pathology, Health campus, Kubang Kerian, Kelantan, Malaysia
| | - H Hazmi
- Universiti Sains Malaysia, School of Medical Sciences, Department of Pathology, Health campus, Kubang Kerian, Kelantan, Malaysia
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20
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Pla-Gil I, Morant Ventura A, Redondo Martínez J, Marco Algarra J. Inverted papilloma of middle ear and temporal bone. Acta Otorrinolaringol Esp (Engl Ed) 2017; 69:48-50. [PMID: 28233515 DOI: 10.1016/j.otorri.2016.11.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Revised: 11/24/2016] [Accepted: 11/27/2016] [Indexed: 11/19/2022]
Affiliation(s)
- Ignacio Pla-Gil
- Servicio de Otorrinolaringología, Hospital Clínico Universitario, Universidad de Valencia, Valencia, España.
| | - Antonio Morant Ventura
- Servicio de Otorrinolaringología, Hospital Clínico Universitario, Universidad de Valencia, Valencia, España
| | - Jaume Redondo Martínez
- Servicio de Otorrinolaringología, Hospital Clínico Universitario, Universidad de Valencia, Valencia, España
| | - Jaime Marco Algarra
- Servicio de Otorrinolaringología, Hospital Clínico Universitario, Universidad de Valencia, Valencia, España
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21
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Coates SJ, Avarbock A, Desman GT. Giant benign intradermal melanocytic nevus of rapid onset. Dermatol Online J 2017; 23:13030/qt2937z8qk. [PMID: 28329507] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2017] [Accepted: 02/16/2017] [Indexed: 06/06/2023] Open
Abstract
Benign melanocytic nevi are slowly growing acquiredor congenital tumors with varied morphology,commonly encountered in dermatology clinics. Anytumor with rapid clinical growth must be assessedcarefully in order to exclude malignancy. We report awoman with a histopathologically benign intradermalnevus that presented as a rapidly evolving largecutaneous mass on the ear. Owing to the discrepancybetween the clinical and histopathological findings,an extensive histopathological work-up involvingmany deeper sections, immunohistochemical stains,and fluorescent in situ hybridization (FISH) analysiswas conducted in order to rule out malignancy.
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22
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Dincă D, Bălţătescu GI, Gioga C, Şapte E. Invasive keratinizing squamous cell carcinoma of the left external auricular canal and the middle ear - case report. Rom J Morphol Embryol 2017; 58:1519-1524. [PMID: 29556651] [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: 06/08/2023]
Abstract
The rather low incidence of auricular neoplasms irrespective of localization is likely to cause confusion of diagnosis with the more frequent benign ear pathology. Because of this, the elapsed time until confirmation of the diagnosis facilitates the evolution of the disease to the detriment of the patient's health. The diagnosis of an ear neoplasm can hide under the ordinary appearance of external otitis, chronic otorrhea or episodes of various types of ear pain. Evolution of such a malignant pathology is quite rapid and highly aggressive locoregional complications are the subject of discussions regarding the interpretation of the results of paraclinical tests and the medical-surgical treatment approach that must take into account the histological structure, the size of the tumor, and the invasion of neighboring tissue.
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Affiliation(s)
- Dănuţ Dincă
- Department of Oral and Maxillofacial Surgery, Faculty of Dental Medicine, "Titu Maiorescu" University, Bucharest, Romania; ; Department of Anatomy, Faculty of Dental Medicine, "Ovidius" University of Constanta, Romania;
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23
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Ekinci AP, Buyukbabani N, Mehdi L, Yazganoglu KD, Baykal C. Linear syringocystadenoma papilliferum on the retroauricular area associated with nevus sebaceus. Dermatol Online J 2016; 22:13030/qt1st1m3f7. [PMID: 28329571] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2016] [Accepted: 11/16/2016] [Indexed: 06/06/2023] Open
Abstract
Syringocystadenoma papilliferum is a rare cutaneous adnexal tumor that usually arises in the head and neck region. It may develop de novo or within a nevus sebaceus. Linear syringocystadenoma papilliferum is an uncommon variant of this benign tumor. We report a child with linear retroauricular distribution of syringocystadenoma papilliferum. A background nevus sebaceus was shown histologically. Total excision was curative with no recurrence. An association between the linear variant of syringocystadenoma papilliferum and nevus sebaceus has not been reported previously.
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Affiliation(s)
- Algun Polat Ekinci
- Specialist of Dermatology and Venereology, Istanbul University, Istanbul Medical Faculty, Istanbul, Turkey.
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24
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Sutton L, Parekh P. Perforating gout of the ear. Dermatol Online J 2016; 22:13030/qt1vn208xw. [PMID: 28329594] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2016] [Accepted: 10/18/2016] [Indexed: 06/06/2023] Open
Abstract
Gout is the most common cause of inflammatory arthritis in men over 40 [1]. The prevalence of gout in the US is approximately 3.9%. Tophus is a characteristic sign of gout and results when monosodium urate deposits at the joint, skin, or cartilage. Tophi develop in 12-35% of patients who are diagnosed with gout [2]. We report a case of a 70-year-old man who was diagnosed with squamous cell carcinoma of the helix via shave biopsy. During Mohs micrographic surgery, a vigorous foreign-body reaction was noted. Review of the initial biopsy slides identified crystals with pseudoepitheliomatous hyperplasia (PEH) rendering a diagnosis of gout. This case emphasizes the importance of recognizing causes of PEH and the predilection for tophi to form on the ear.
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Affiliation(s)
- Leigh Sutton
- Baylor Scott & White, 409 W Adams Ave, Temple, TX.
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25
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Houck EL, Keller KA, Hawkins MG, Burton AG, Casey KM, Keel K, Tong N, Guzman DSM. Bilateral Aural Adenocarcinoma in a Congo African Grey Parrot ( Psittacus erithacus erithacus). J Avian Med Surg 2016; 30:257-262. [PMID: 27736232 DOI: 10.1647/2015-112] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
A 28-year-old female Congo African grey parrot ( Psittacus erithacus erithacus) was evaluated because of a mass in the left external auditory meatus. Results of a computed tomography scan revealed an osteolytic left hemimandibular mass with irregular bone production and a soft tissue mass in the left external auditory meatus. Results of cytologic examination of fine needle aspirates of the hemimandible were interpreted as adenocarcinoma with reactive osteoblasts. The owner chose palliative treatment, and a debulking procedure was performed on the left external auditory meatus mass 52 days after initial presentation to control self-trauma. Euthanasia was elected 67 days after initial presentation because of poor prognosis associated with the development of bilateral masses of the external auditory meatus and lateral deviation of the mandible, findings that were confirmed by postmortem examination. Histopathologic results confirmed the diagnosis of bilateral aural adenocarcinoma with invasion of both temporal bones and hemimandibles.
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26
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Affiliation(s)
- Janghoon Chi
- Department of Otorhinolaryngology-Head and Neck Surgery, Kangdom Sacred-Heart Hospital, College of Medicine, Hallym University, Seoul, Korea.
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27
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Gracia-Cazaña T, Pastushenko I, Lorda M, Padgett E, Morales-Moya AL. [Apocrine hidrocystoma associated with gouty tophi of the pinna]. Rev Med Inst Mex Seguro Soc 2016; 54:670-672. [PMID: 27428348] [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] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
BACKGROUND Apocrine hidrocystomas, also known as apocrine cystadenomas, are bening cystic tumours derived from the secretory portion of apocrine sweat glands. CLINICAL CASE A 78-year old female was referred to our division for assesment an asymptomatic translucent, well-defined cystic lesion located on the upper helix. The histological features were consistent with apocrine hidrocystoma coexisting with gouty tophi. CONCLUSIONS We report the second case of apocrine hydrocystoma located in the pinna, outside of ear canal and the first case of its association with gouty tophi described. It is difficult to know which lesion was first established and if the tophi may lead to ductal obstruction and subsequent cystic retention.
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Affiliation(s)
- Tamara Gracia-Cazaña
- Departamento de Dermatología, Hospital Clínico Universitario "Lozano Blesa", Servicio Aragonés de Salud, Zaragoza, España.
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28
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Rachadi H, Zemmez Y, Znati K, Ismaili N, Hassam B. External ear nodule revealing a disseminated Kaposi disease. Dermatol Online J 2016; 22:13030/qt1z53b1x5. [PMID: 27617947] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2016] [Accepted: 08/19/2016] [Indexed: 06/06/2023] Open
Abstract
Kaposi disease (KD) is an angiogenetic tumor process, characterized by its various clinical aspects. Its pathogenesis is multifactorial and it was attributed to HHV-8 infection. We report an original case of disseminated KD revealed by solitary lesion of external ear in a patient treated by corticosteroids for bullous pemphigoid.
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Affiliation(s)
- Hanane Rachadi
- Department of dermatology, Ibn Sina hospital, Rabat, Morocco.
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29
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Abstract
We examined the clinical presentation in patients with a histologically proven ingrowth of the cochlear nerve by acoustic neuroma to see whether this differs from what is known from large acoustic neuroma series. In total, 85 acoustic neuromas had an en bloc dissection to study histologically the relation between the cochlear nerve and the acoustic neuroma. In 21 of these 85 specimens, there was histologic proof of invasion of the cochlear nerve by the tumor. For 13 of these 21 tumors, sufficient clinical data could be retrieved to describe the clinical presentation in these patients. We collected clinical data such as age, sex, presenting symptoms, duration of symptoms, tone audiograms, tumor size measurements and volumetric calculations, and latency interval data I-V of brain stem evoked response audiometry and calculated whether there was any correlation among those data. We also compared these clinical data with the data from some large acoustic neuroma series. No clear difference could be shown between the clinical presentation of acoustic neuroma patients with cochlear nerve ingrowth and the clinical presentations in large acoustic neuroma series. This outcome favors the theory that the hearing impairment in acoustic neuroma patients is mainly the result of compression on the vessels of the cochlea and/or on the cochlear nerve.
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Affiliation(s)
- Glen E J Forton
- Department of Otorhinolaryngology, General Hospital Damiaan, Ostend, Belgium
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30
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Nasirmohtaram S, Akbari M. Dermoid Cyst Within Concha: A Case Report. Acta Med Iran 2016; 54:407-408. [PMID: 27306349] [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] [Accepted: 06/08/2016] [Indexed: 06/06/2023] Open
Abstract
Dermoid cysts are congenital anomalies derived from ectoderm. They are rare in head and neck region and especially in pinna. We presented an 8-year-old girl with a dermoid cyst in the conchal region of auricle which was treated with complete surgical resection.
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Affiliation(s)
- Sevil Nasirmohtaram
- Department of Otorhinolaryngology, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran. AND Department of Otorhinolaryngology, Nose and Sinus Diseases Research Center, Guilan University of Medical Sciences, Rasht, Iran
| | - Maryam Akbari
- Department of Otorhinolaryngology, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran. AND Department of Otorhinolaryngology, Nose and Sinus Diseases Research Center, Guilan University of Medical Sciences, Rasht, Iran
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Affiliation(s)
- Peter G Michaelson
- Department of Otolaryngology-Head and Neck Surgery, Wilford Hall Medical Center, Lackland, TX 78236-5300, USA
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32
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Yang TH, Chiang YC, Chao PZ, Lee FP. Cavernous Hemangioma of the Bony External Auditory Canal. Otolaryngol Head Neck Surg 2016; 134:890-1. [PMID: 16647556 DOI: 10.1016/j.otohns.2005.11.012] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2005] [Accepted: 11/02/2005] [Indexed: 11/22/2022]
Affiliation(s)
- Tsung-Han Yang
- Department of Otolaryngology, Taipei Medical University Hospital, Taipei Medical University, Taipei, Taiwan
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Hu H, Lim WY, Tan TY, Yuen HW. Neuroendocrine adenoma of middle ear with new bone formation and review of literature. Am J Otolaryngol 2016; 37:108-11. [PMID: 26954862 DOI: 10.1016/j.amjoto.2015.09.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [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: 09/19/2015] [Accepted: 09/24/2015] [Indexed: 11/18/2022]
Abstract
Neuroendocrine adenoma of the middle ear has been described in literature as middle ear adenoma with neuroendocrine differentiation or carcinoid tumor. While there have been several case reports describing imaging features of carcinoid tumors of the ear and middle ear adenomas, in our literature review, we have not found a single case where bone formation is described as a prominent radiological feature. We report a first documented case of middle ear carcinoid tumor with new bone formation demonstrated on CT imaging and performed a review literature regarding the tumor. A differential diagnosis of neuroendocrine adenoma of the middle ear should be considered when there is prominent bone formation with a soft tissue mass in the middle ear on CT imaging.
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Affiliation(s)
- Huixin Hu
- Department of Otorhinolaryngology, Changi General Hospital, 2 Simei Street 3, Singapore.
| | - Wei Yang Lim
- Department of Diagnostic Imaging, Tan Tock Seng Hospital, 11 Jalan Tan Tock Seng, Singapore
| | - Tiong Yong Tan
- Department of Diagnostic Imaging, Changi General Hospital, 2 Simei Street 3, Singapore
| | - Heng Wai Yuen
- Department of Otorhinolaryngology, Changi General Hospital, 2 Simei Street 3, Singapore
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Đerić D, Dudvarski Z, Cvorović L. OTOLOGICAL MANIFESTATIONS OF TURNER SYNDROME: CLINICAL AND RADIOLOGICAL FINDINGS. Med Pregl 2016; 69:45-47. [PMID: 27498533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
INTRODUCTION Turner syndrome is a chromosomal abnormality where all or a part of one of the X chromosomes is absent or it has other abnormalities. Besides characteristic abnormalities of short stature and infertility, women with Turner syndrome have increased risks for tumors of the central nervous system, especially meningioma and an otologic disease. Meningioma involving the middle ear is extremely rare, and this condition has never been published in association with Turner syndrome. CASE REPORT We present an otologic manifestation associated with other abnormalities in a patient with Turner syndrome and discuss diagnosis and possible treatment options. CONCLUSION Multidisciplinary team approach is essential in these patients in order to evaluate their vulnerability and define therapeutic priorities.
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Shi Nee T, Ami M, Min Han K, Sabir Husin Athar PP. Postauricular neurofibroma - a rare occurrence. Braz J Otorhinolaryngol 2015; 83:600-601. [PMID: 26777080 PMCID: PMC9444715 DOI: 10.1016/j.bjorl.2015.09.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2015] [Revised: 09/12/2015] [Accepted: 09/14/2015] [Indexed: 11/28/2022] Open
Affiliation(s)
- Tan Shi Nee
- KPJ Healthcare University College, School of Medicine, Department of Otorhinolaryngology, Head & Neck Surgery, Selangor, Malaysia
| | - Mazita Ami
- KPJ Klang Specialist Hospital/KPJ Healthcare University College, Ear, Nose & Throat - Head & Neck Consultant Clinic, Selangor, Malaysia
| | - Kong Min Han
- University Kebangsaan Malaysia Medical Center, Department of Otorhinolaryngology, Head & Neck Surgery, Kuala Lumpur, Malaysia
| | - Primuharsa Putra Sabir Husin Athar
- KPJ Seremban Specialist Hospital/KPJ Healthcare University College, Ear, Nose & Throat - Head & Neck Consultant Clinic, Negeri Sembilan, Malaysia.
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36
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Tong L, Han L, Bi L. [Endolymphatic sac tumor: report of a case]. Zhonghua Bing Li Xue Za Zhi 2015; 44:671-672. [PMID: 26705291] [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] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
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37
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Abstract
We report the unusual case of a 3-year-old child with a Mongolian blue spot present both around the auricle externally and on the tympanic membrane itself.
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Affiliation(s)
- Thomas Middleton
- Sheffield Children's Hospital, Western Bank, Sheffield S10 2TH, United Kingdom.
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38
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Wang F, Wu N, Hou Z, Liu J, Shen W, Han W, Yang S. [Diagnosis and treatment of rare malignant tumors in external auditory canal]. Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2015; 29:1438-1442. [PMID: 26665451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
OBJECTIVE To analyze the diagnosis, therapy and prognosis of the rare cases of malignant tumors in external auditory canal. METHOD Eight cases of rare malignant tumors in external auditory canal were collected except squamous cell carcinoma and adenoid cystic carcinoma. The clinical manifestation, staging, surgical method, secondary treatment and prognosis were analysed. RESULT There were 5 cases of basal cell carcinoma and 2 cases of mucoepidermoid carcinoma and 1 case of myoepithelial carcinoma. Three cases of the 5 basal cell carcinoma in external auditory canal have been misdiagnosed for a long time. After admission, 4 of the 5 basal cell carcinoma were T1 stage and cured only by a complete resection of tumor. One case of T2 stage basal cell carcinoma was found recurrence 2 years later after the first excision of tumor, and was treated with radiotherapy. Tumor was controlled. Two cases of mucoepidermoid carcinoma had been misdiagnosed as a benign tumor and received a resection. One case was found metastasis to the parapharyngeal space and nasopharynx and was treated with concurrent chemotherapy. Tumor was also controlled after 5-years follow-up. Another case was found metastasis to parotid gland and received an expanding tumor resection. No recurrence was detected after a 1-year followed up. One case of T4 stage myoepithelial carcinoma in external auditory canal was a metastasis of parotid and received a partial temporal bone resection. No-recurrence was found 1 year later. CONCLUSION Because the tumors above have a very low incidence in external ear canal and the location of tumors are hidden, they are often misdiagnosed and delayed in treatment. Therefore, otologists should pay more attention to avoid the misdiagnosis. To the treatment, complete surgical resection of early-stage tumor is important and for late-stage tumor, a supplemented by chemoradiotherapy may be needed.
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39
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Dorobisz K, Kubacka M, Zub K, Dorobisz T, Janczak M, Roszkowska A, Zatoński T, Kręcicki T, Frączek M. [Bilateral squamous carcinoma of the external auditory canal--a case report]. Pol Merkur Lekarski 2015; 39:106-108. [PMID: 26319385] [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] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Squamous cell carcinoma of the external auditory canal is a very rare and unusual malignancy, representing less than 0.2% of all head and neck cancers. The authors present a case of 78-year-old patient with bilateral squamous cell carcinoma of the external auditory canal-cT4N0M0 G2, pT4N2bM0, initially treated as a chronic otitis external. The patient was qualifies for the one-step removal of cancer of the earlobe and the external auditory canal. Because of complications during the operation, the plan of treatment was changed. The patient is under oncological control for 13 months.
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Affiliation(s)
- Karolina Dorobisz
- Medical University of Wrocław, Poland: Chair and Department of Otolaryngology
| | - Marzena Kubacka
- Medical University of Wrocław, Poland: Chair and Department of Otolaryngology
| | - Krzysztof Zub
- Medical University of Wrocław, Poland: Chair and Department of Otolaryngology
| | - Tadeusz Dorobisz
- Medical University of Wrocław, Poland: Department of Clinical Basics of Physiotherapy
| | - Marzena Janczak
- Medical University of Wrocław, Poland: University of Environmental and Life Sciences in Wrocław
| | - Anna Roszkowska
- Medical University of Wrocław, Poland: Chair and Department of Otolaryngology
| | - Tomasz Zatoński
- Medical University of Wrocław, Poland: Chair and Department of Otolaryngology
| | - Tomasz Kręcicki
- Medical University of Wrocław, Poland: Chair and Department of Otolaryngology
| | - Marcin Frączek
- Medical University of Wrocław, Poland: Chair and Department of Otolaryngology
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40
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Tomas S. Management of the disappearing skin cancer. Aust Fam Physician 2015; 44:567-569. [PMID: 26510144] [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] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Affiliation(s)
- Steven Tomas
- MBBS (Hons), MMed, FRACGP Clinical Lecturer, University of Sydney, and General Practitioner, Gumtree Medical Practice, Dubbo, NSW
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41
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Lepera D, Volpi L, De Bernardi F, Shawkat SA, Cimetti L, Bignami M, Castelnuovo P. Endoscopic transnasal resection of Eustachian-tube dermoid in a new-born infant. Auris Nasus Larynx 2015; 42:235-40. [PMID: 25582821 DOI: 10.1016/j.anl.2014.10.015] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [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: 06/26/2014] [Revised: 10/14/2014] [Accepted: 10/22/2014] [Indexed: 02/08/2023]
Abstract
INTRODUCTION Dermoids of the Eustachian tube are rare benign developmental tumours that typically occur in female children. General consensus of classification and nomenclature has still not been reached. The treatment of choice consists of a radical surgical excision. Several approaches have been described and few cases are reported in literature. A gross total resection is now safely achievable through an endoscopic mini-invasive approach. MATERIALS AND METHODS We have reported a case of dermoid pedicled in the left Eustachian tube and resected with a pure endoscopic transnasal approach. A review of the literature was performed. CASE STUDY The aim of this paper is to present the first case of pure endoscopic transnasal resection in a 4-day-old infant as emergency treatment of Eustachian tube dermoid presenting an acute respiratory failure at birth. CONCLUSION The endoscopic transnasal resection is a safe and feasible technique in selected dermoids of the Eustachian tube, when the middle ear is not involved. This approach could be used also in new-born children, decreasing the morbidity of the classic surgical treatment and avoiding the risk of craniofacial alterations.
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Affiliation(s)
- Davide Lepera
- Department of Otorhinolaryngology and Head and Neck Surgery, Ospedale di Circolo e Fondazione Macchi, University of Insubria, Varese, Italy
| | - Luca Volpi
- Department of Otorhinolaryngology and Head and Neck Surgery, Ospedale di Circolo e Fondazione Macchi, University of Insubria, Varese, Italy.
| | - Francesca De Bernardi
- Department of Otorhinolaryngology and Head and Neck Surgery, Ospedale di Circolo e Fondazione Macchi, University of Insubria, Varese, Italy
| | - S Alaa Shawkat
- Department of Otorhinolaryngology and Head and Neck Surgery, Ospedale di Circolo e Fondazione Macchi, University of Insubria, Varese, Italy
| | - Laura Cimetti
- Department of Surgical and Morphological Sciences, Anatomic Pathology Unit, Ospedale di Circolo e Fondazione Macchi, University of Insubria, Varese, Italy
| | - Maurizio Bignami
- Department of Otorhinolaryngology and Head and Neck Surgery, Ospedale di Circolo e Fondazione Macchi, University of Insubria, Varese, Italy
| | - Paolo Castelnuovo
- Department of Otorhinolaryngology and Head and Neck Surgery, Ospedale di Circolo e Fondazione Macchi, University of Insubria, Varese, Italy
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Abstract
Jacobson's nerve schwannoma is a rare middle ear tumour presenting as a mass along the cochlear promontory. It can be differentiated from other masses along the promontory based on clinical findings, and computed tomography and magnetic resonance imaging features. For small-sized masses, it is possible to differentiate the various middle ear schwannomas from one another. We present the case of a 40-year-old woman with a ten-year history of left hearing loss who was diagnosed with Jacobson's nerve schwannoma.
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43
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Fang CH, Sun J, Jyung RW. Malignant otitis externa. Ear Nose Throat J 2015; 94:136-138. [PMID: 25923266] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023] Open
Affiliation(s)
- Christina H Fang
- Department of Otolaryngology-Head and Neck Surgery, Rutgers New Jersey Medical School, Newark, NJ, USA
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44
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Ren J, Wang X, Zhao X. [Myxoma recurrence of the external auditory canal :a case report]. Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2015; 50:332-333. [PMID: 26081092] [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] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
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45
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Naito Y. [Diagnostic imaging of temporal bone]. Nihon Jibiinkoka Gakkai Kaiho 2015; 118:182-191. [PMID: 26567394] [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] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Affiliation(s)
- Yasushi Naito
- Department of Otolaryngology, Kobe City Medical Center General Hospital, Kobe, Japan; Department of Otolaryngology, Institute of Biomedical Research and Innovation, Kobe, Japan
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Zhou C, Duan X, Liao D, Liao J, Shen J. CT and MR findings in 16 cases of primary neuroendocrine carcinoma in the otolaryngeal region. Clin Imaging 2015; 39:194-9. [PMID: 25457524 DOI: 10.1016/j.clinimag.2014.08.004] [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: 06/29/2014] [Revised: 08/07/2014] [Accepted: 08/07/2014] [Indexed: 02/05/2023]
Abstract
Primary neuroendocrine carcinoma (NEC) is a rare malignancy in the otolaryngeal region. Computed tomography and magnetic resonance imaging findings in 16 patients with primary otolaryngeal NECs were summarized. Most of tumors occurred in the sinonasal cavity (n=9; 56.3%), then supraglottis (n=3; 18.8%). All sinonasal and one hard palate tumors were ill defined, and the other tumors were well defined. All lesions showed moderate to marked enhancement, but homogeneously in well-differentiated tumors while heterogeneously in most of poorly differentiated tumors. Most sinonasal tumors were poorly differentiated and invaded adjacent bones. Primary otolaryngeal NECs might have some distinct features related to their origin and differentiation.
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Affiliation(s)
- Cuiping Zhou
- Department of Radiology, The Huizhou Central municipal Hospital, No.41 Eling Rood North, Huizhou, 516001 Guangdong China.
| | - Xiaohui Duan
- Department of Radiology, Sun Yat-Sen Memorial Hospital, SunYat-Sen University, No.107 Yanjiang Road West, Guangzhou, 510120 Guangdong, China.
| | - Danling Liao
- Department of Radiology, First Affiliated Hospital of Shantou University Medical College, No. 57 Changping Road, Shantou, 515041 Guangdong China.
| | - Junjie Liao
- Department of Radiology, The Huizhou Central municipal Hospital, No.41 Eling Rood North, Huizhou, 516001 Guangdong China.
| | - Jun Shen
- Department of Radiology, Sun Yat-Sen Memorial Hospital, SunYat-Sen University, No.107 Yanjiang Road West, Guangzhou, 510120 Guangdong, China.
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Okuno A, Arao M, Aoki K, Yonemoto S, Hayashi D, Fujii N, Oka K. [Merkel cell carcinoma of the ear lobe complicated with nephrosis syndrome and malignant lymphoma: a case report]. Nihon Jinzo Gakkai Shi 2015; 57:1369-1375. [PMID: 26817168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Here we report a rare case of Merkel cell carcinoma complicated with nephrosis and malignant lymphoma. A 79-year-old male, who had undergone rectectomy due to colorectal cancer about 10 years previously, was diagnosed as Merkel cell carcinoma of the left ear lobe with lymph node metastases. Tumor resection and lymph node dissection were performed. A year later, follow-up PET-CT revealed a small hot spot at the ileocecum without apparent tumor formation based on examination by colonoscopy. The patient received 56 Gy of radiation. Two months later, he developed new-onset nephrosis followed by renal failure, and was referred to our hospital (Cr 4.26 mg/dL, UA 13.5 mg/dL, Alb 2.1 g/dL). Further examination negated the possibility of vasculitis, collagen disease, or myeloma kidney. Since his renal function continued to decline, causing uremic symptoms, he was hospitalized and underwent hemodialysis soon after referral. Abdominal CT scan revealed an ileocecal mass with multiple abdominal lymphadenopathy, which was later diagnosed as diffuse large B-cell lymphoma (stage IV) by tumor biopsy. Corticosteroid therapy (prednisolone 60 mg/day) was soon initiated with no response. Local skin redness and blister formation at the left shoulder emerged gradually, which strongly suggested a local recurrence of Merkel cell carcinoma. Despite the use of rituximab, the patient's general condition deteriorated without any sign of recovery. Three months after the start of dialysis, we discontinued dialysis therapy due to his poor health status, and eventually he died of cachexia. Autopsy revealed triple cancers: rectal cancer, Merkel cell carcinoma, and malignant lymphoma. In addition to the case report, we will summarize and discuss former similar case reports in the literature.
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Ma J, Zheng M, Wang G. [Auricle fibrosarcoma:a case report]. Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2015; 29:93-94. [PMID: 25966567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
A male patient, 67 years old, was admitted with the left auricle neoplasm over two months, increased rapidly for 10 days, on November 5, 2013. The tumer is about 2. 0 cm ×× 2. 0 cm size, smooth surface, no burst, hard, painless, and immobilization. After admission biopsy, the pathological report: "spindle cell sarcoma", thin a total resection of the left auricle under local anesthesia was made, postoperative pathological report: tumor by short of spindle cells, arranged in bunchiness, a small number of seats is arrangeA striate;The nuclei are hyperchromatic and part of the visible nucleoli and empty bright cytoplasm, pathological nuclear fission was visible. "Scar" on the matrix of collagen, hardening, and change the glass samples. The tumor destruction of cartilage. immunohistochemical stainin : Vimentin (+), CD99 (-), Bcl-2 (-), CD34 (-), SMA (-), Des (-), HMB45 (-), MelanA(-), S-100(-), CK(-). Diagnosis as fibrosarcoma. The patient refused any radiation or chemotherapy. Postoperative follow-up of 8 months, no local recurrence and distant metastasis.
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Eksan MS, Noorizan Y, Chew YK, Noorafidah MD, Asma A. Rare embryonal rhabdomyosarcoma of external acoustic canal: a case report and literature review. Am J Otolaryngol 2014; 35:814-5. [PMID: 25128187 DOI: 10.1016/j.amjoto.2014.07.009] [Citation(s) in RCA: 3] [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] [Received: 06/20/2014] [Revised: 07/08/2014] [Accepted: 07/15/2014] [Indexed: 11/20/2022]
Abstract
Embryonal rhabdomyosarcoma of external ear canal is very rare, even in the pediatric population. We report an embryonal rhabdomyosarcoma of external acoustic canal, occurring in a 12-year-old Chinese girl who presented with left ear canal mass. Wide local excision of the mass was done under local anesthesia. Histopathological examination revealed the diagnosis. She then underwent 20 cycles of radiotherapy. CECT scan post treatment showed clearance of tumor cell. Now, patient is disease free for 5 years. We believe that early diagnosis followed by complete resection of the tumor with clear margin and radiotherapy improves the prognosis of the disease.
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Affiliation(s)
- M S Eksan
- ORL Department Hospital Pakar Sultanah Fatimah, Muar, Johor, Malaysia.
| | - Y Noorizan
- ORL Department Hospital Pakar Sultanah Fatimah, Muar, Johor, Malaysia
| | - Y K Chew
- ORL Department Hospital Pakar Sultanah Fatimah, Muar, Johor, Malaysia
| | - M D Noorafidah
- Pathology Department Hospital Pakar Sultanah Fatimah, Muar, Johor, Malaysia
| | - A Asma
- ORL Head and Neck Surgery Department, UKM Medical Centre, Cheras, Kuala Lumpur, Malaysia
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Hamamoto S, Okuma T, Yamamoto A, Kageyama K, Ueki A, Matsuoka T, Miki Y. Combination radiofrequency ablation and local injection of the immunostimulant bacillus Calmette-Guérin induces antitumor immunity in the lung and at a distant VX2 tumor in a rabbit model. J Vasc Interv Radiol 2014; 26:271-8. [PMID: 25443457 DOI: 10.1016/j.jvir.2014.09.002] [Citation(s) in RCA: 8] [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: 04/04/2014] [Revised: 09/03/2014] [Accepted: 09/04/2014] [Indexed: 11/18/2022] Open
Abstract
PURPOSE To evaluate whether the combination of radiofrequency (RF) ablation and local injection of the immunostimulant Mycobacterium bovis bacillus Calmette-Guérin (BCG) induces systemic antitumor immunity. MATERIALS AND METHODS Japanese White rabbits with lung and auricle VX2 tumors were randomized into three groups: control (n = 8; no treatment), RF ablation only (n = 8; RF ablation to the lung tumor), and RF ablation with local BCG injection into the lung tumor (n = 8). Treatments were performed 1 week after tumor implantation. Survival was evaluated with Kaplan-Meier method and log-rank test. Weekly mean volume and specific growth rate (SGR) of auricle tumors were calculated, and comparisons were made by Mann-Whitney test. RESULTS Median survival of control, RF-only, and RF/BCG groups were 23, 41.5, and 103.5 days, respectively. Survival was significantly prolonged in the RF-only and RF/BCG groups compared with the control group (P = .034 and P =.003, respectively), but no significant difference was found between the RF-only and RF/BCG groups (P = .279). Only in the RF/BCG group was mean auricle tumor volume decreased 5 weeks after implantation. No significant difference in SGR was found between the control and RF-only groups (P = .959), but SGR in the RF/BCG group was significantly lower than in the control group (P = .005). CONCLUSIONS The combination of RF ablation and local injection of BCG resulted in distant tumor suppression compared with the control group, whereas RF ablation alone did not produce this effect. Therefore, the combination of RF ablation and local injection of BCG may induce systemic antitumor immunity.
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Affiliation(s)
- Shinichi Hamamoto
- Department of Radiology, Osaka City University, Osaka City University Graduate School of Medicine, 1-4-3 Asahi-machi, Abeno-ku, Osaka 545-8585, Japan
| | - Tomohisa Okuma
- Department of Radiology, Osaka City University, Osaka City University Graduate School of Medicine, 1-4-3 Asahi-machi, Abeno-ku, Osaka 545-8585, Japan
| | - Akira Yamamoto
- Department of Radiology, Osaka City University, Osaka City University Graduate School of Medicine, 1-4-3 Asahi-machi, Abeno-ku, Osaka 545-8585, Japan..
| | - Ken Kageyama
- Department of Radiology, Osaka City University, Osaka City University Graduate School of Medicine, 1-4-3 Asahi-machi, Abeno-ku, Osaka 545-8585, Japan
| | - Ai Ueki
- Department of Radiology, Osaka City University, Osaka City University Graduate School of Medicine, 1-4-3 Asahi-machi, Abeno-ku, Osaka 545-8585, Japan
| | - Toshiyuki Matsuoka
- Department of Radiology, Osaka City University, Osaka City University Graduate School of Medicine, 1-4-3 Asahi-machi, Abeno-ku, Osaka 545-8585, Japan
| | - Yukio Miki
- Department of Radiology, Osaka City University, Osaka City University Graduate School of Medicine, 1-4-3 Asahi-machi, Abeno-ku, Osaka 545-8585, Japan
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