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CASE REPORT
Year : 2019  |  Volume : 25  |  Issue : 1  |  Page : 34-36

Paraganglioma of external auditory canal: A rare entity


1 Department of ENT, Head and Neck Surgery, Institute of Naval Medicine, INHS Asvini, Mumbai, Maharashtra, India
2 Department of Pathology, Institute of Naval Medicine, INHS Asvini, Mumbai, Maharashtra, India

Correspondence Address:
Dr. Shruti Anil Sharma
Department of ENT, Head and Neck Surgery, Institute of Naval Medicine, INHS Asvini, Colaba, Mumbai - 400 005, Maharashtra
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/indianjotol.INDIANJOTOL_131_18

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We present the description of a painful paraganglioma of the external auditory canal. Atypical presentation made the diagnosis difficult. We discuss the role of histopathology and immunohistochemistry in the diagnosis of the condition. A 43-year-old male presented with left-sided otalgia and hearing loss. Physical examination revealed a firm swelling arising from the posterosuperior portion of the left external auditory canal. Differential diagnosis of exostosis and squamous cell carcinoma of the external auditory canal was considered. The high-resolution computed tomography of the temporal bones was suggestive of neoplasia. The patient underwent excision biopsy. The hemorrhage during surgery led to suspicion of a vascular tumour. The histopathology and immunohistochemistry confirmed the diagnosis of paraganglioma. Early intervention with imaging and biopsy should be sought for unusual masses of the external ear.


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