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Ian S. Storper, MD; Anita N. Newman, MD

Arch Otolaryngol Head Neck Surg. 1992;118(9):975-977.

Abstract
• Cholesteatoma of the maxillary sinus, also known as keratoma, primary epidermoid tumor, epidermoid cyst, and keratocyst, is a rare entity, with a clinical presentation and radiologic findings that are difficult to distinguish from those of malignancy. We report a case of cholesteatoma of the maxillary antrum that occurred in a 12-year-old boy without any history of predisposing factors. Multiple theories of pathogenesis have been proposed throughout history; currently there are two accepted ones. We discuss these theories and present, along with the differential diagnosis, a review of the literature and the characteristic radiologic and pathologic findings. While it is a rare entity, the diagnosis of cholesteatoma should be considered for any slowly expanding lesion of the maxillary antrum.

(Arch Otolaryngol Head Neck Surg. 1992;118:975-977)

Author Affiliations
From the Division of Head and Neck Surgery, UCLA Medical Center, Los Angeles, Calif.

Footnotes
Accepted for publication June 2, 1992.

Reprint requests to Division of Head and Neck Surgery, UCLA Medical Center, 62-132 CHS, 10833 Le Conte Ave, Los Angeles, CA 90024-1624 (Dr Storper).

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