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
Radiology Quiz Case 1: Diagnosis. Arch Otolaryngol Head Neck Surg. 2012;138(11):1086–1087. doi:10.1001/archotol.138.11.1086
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