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Metachronous squamous cell carcinoma of bilateral external auditory canals: A rare case report

Squamous cell carcinoma of the external auditory canal (EAC) is a rare and unusual entity with an incidence of 0.2% cases of all head and neck carcinomas has been reported in the literature, and even fewer describe bilateral tumors. Its clinical presentation is similar to chronic otitis media or otitis externa. Hence, the diagnosis often delayed. Early diagnosis is directly related to the prognosis of the patient. The surgical treatment is a challenging task for the experienced skull base surgeon. Here, we report a case of metachronous bilateral EAC carcinoma in a 33-year-old male. The gap between the development of left and right side carcinoma is 3 years.