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Clinical Problem Solving: Radiology
Nov 2012

Radiology Quiz Case 1: Diagnosis

Arch Otolaryngol Head Neck Surg. 2012;138(11):1086-1087. doi:10.1001/archotol.138.11.1086

Diagnosis: Cholesteatoma of the frontal sinus

Cholesteatoma is typically an abnormality of the middle ear and temporal bone. Cholesteatoma of the paranasal sinuses is a very rare occurrence. It can involve all sinuses, most frequently the frontal sinus and rarely the maxillary sinus and the ethmoidal cells.1 To our knowledge, only 14 cases of cholesteatoma of the frontal sinus have been reported in the English-language literature. The mean age at presentation is 48 years (age range, 23-80 years).2