Case 14-1989

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Abstract
Presentation of CaseAn 82-year-old woman was admitted to the hospital because of a left facial palsy and a mass in the left mastoid region.The patient was in her usual state of health until nine days earlier, when a peripheral left facial paralysis developed. X-ray films of the mastoid region showed an osteolytic lesion on the left side. Six days before entry a left mastoidectomy was performed elsewhere for removal of a suspected cholesteatoma. The operation revealed a soft-tissue mass that eroded the posterior wall of the external auditory canal and the lateral mastoid cortex; no cholesteatoma was found. . . .