Malignant Melanoma of the External Auditory Canal: A Rare Entity.

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Malignant Melanoma of the External Auditory Canal: A Rare Entity.

Iran J Otorhinolaryngol. 2018 Mar;30(97):107-111

Authors: Khonglah Y, Das N, Raphael V, Jitani AK, Shunyu NB

Abstract
Introduction: Although malignant melanomas (MM) are common in the head and neck region; primary malignant melanoma of the external auditory canal (EAC) is rare.
Case Report: We present the case of a 50-year-old symptomatic man with a malignant melanoma of the external auditory canal, which clinically masqueraded as a haemangioma. The patient subsequently developed extensive loco-regional metastasis, requiring extensive surgery. We describe the clinical presentation, differential diagnosis, both clinical and pathological in terms of other pigmented lesions in the external auditory canal, detailed histopathology, and literature review.
Conclusion: We want to emphasize the importance of immediate and adequate biopsy of any pigmented lesion in the head and neck region to rule out MM. Also, we emphasize the importance of deep biopsy for proper histopathological assessment in addition to distinguishing it from benign melanocytic nevi, in order to initiate treatment.

PMID: 29594078 [PubMed]

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