The incidence of squamous cell carcinoma of the temporal bone is approximately six cases per million in the general population, with most patients more than 50 years of age.4 The main risk factor is a long, often two or more decade history of chronic suppurative otitis media.5 Other potential inciting factors include chronic dermatitis,6 cholesteatoma,7 history of employment as a radium dial painter,8 and intracranial irradiation.9

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