MIDDLE EAR ADENOMA: OPTIMIZATION OF DIAGNOSIS

Abstract

Middle ear adenomas are relatively uncommon ear tumors that have only
recently been identified. These tumors are typically found in the hypotympanon or on the
promontorium. The epitympanic pouch of the tympanic membrane is the source of the
distinctive characteristics of the first case described. The hypotympanon mucosa was the
source of the second instance. In the third instance, there was a tumor-like lesion that
could not be clinically differentiated from either a middle ear adenoma or a jugulotympanic paraganglioma. Recurrences of middle ear adenomas are uncommon and are
histopathologically characterized by distinct glandular structures within fibrous tissue.