Paraganglioma of external auditory canal

Kundu, Indranath; Goswami, Sudipta; Barman, Debasis; Biswas, S.

doi:10.1007/bf02991555

Cited by 5 publications

(1 citation statement)

References 2 publications

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“…Paraganglioma was not considered as differential diagnosis. 7 The diagnosis of paraganglioma requires histopathological examination and immunohistochemistry. Classic organoid (zellballen) pattern and IHC analysis positive for chromogranin and synaptophysin confirms the tumour.…”

Section: Discussionmentioning

confidence: 99%

Paraganglioma of External Auditory Canal: A Rare Entity Case Report

Varsha Munj,

Shema Shirodkar,

Krupa Jog

2023

IJCPath

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Paragangliomas are benign tumours originating from the paraganglia. In the ear paragangliomas are found commonly in middle ear or jugular bulb. Paragangliomas of external auditory canal are extremely rare. Our case describes a woman in her 5 th decade presenting with difficulty in hearing since 6 months and swelling in the right ear. Physical examination revealed a red to pink swelling, non friable, bleeding on touch and obscuring the external auditory canal completely. Differential diagnosis of granuloma/exostosis was considered. Patient underwent excision biopsy. Hemorrhage during surgery was copious and suspicion of vascular lesion was raised. Histopathology and immunohistochemistry confirmed the diagnosis of paraganglioma. The aim of this article is to make clinicians aware of the entity for diagnosis and appropriate treatment.

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Section: Discussionmentioning

confidence: 99%

Paraganglioma of External Auditory Canal: A Rare Entity Case Report

Varsha Munj,

Shema Shirodkar,

Krupa Jog

2023

IJCPath

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Ceruminous Neoplasms of the Ear

Nagarajan

2018

Head and Neck Pathol

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Ceruminous glands are modified apocrine glands located in the external auditory canal (EAC). Neoplastic lesions arising from these glands are rare in humans and constitute a major differential diagnosis for glandular neoplasms of the EAC. Due to anatomic restrictions, benign and malignant neoplasms present with similar symptoms and to some extent even comparable radiologic features, particularly when the tumors are localized. Biopsies are frequently limited by small size, fragmentation and improper anatomic and architectural orientation, thereby hampering our ability to appreciate the relationship of peripheral edges of the tumor to the surrounding tissue. Benign and malignant tumors may also have overlapping histomorphologic features, which further magnifies the challenges in accurate diagnosis and management strategies. This article summarizes the salient clinical, radiologic and histologic features of common ceruminous gland tumors, in addition to discussing features that can aid in differentiating ceruminous tumors from other EAC tumors and to distinguish benign from malignant entities.

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Unusual mass in the external auditory canal of an adult man

Perez

Wiley

2022

Otolaryngology Case Reports

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Paraganglioma of external auditory canal

Cited by 5 publications

References 2 publications

Paraganglioma of External Auditory Canal: A Rare Entity Case Report

Paraganglioma of External Auditory Canal: A Rare Entity Case Report

Ceruminous Neoplasms of the Ear

Unusual mass in the external auditory canal of an adult man

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