ISSN: 2476-2490
Authors: Thabet W1,2*
While an acquired cholesteatoma that originates in the middle ear may extend to invade the petrous apex, a congenital epidermoid cyst (= cholesteatoma) of the petrous apex is a cystic lesion brought on by the retention of epithelium remnants in the area of the foramen lacerum, embryonically [1,2].
Keywords: Epidermoid Cysts; Cranial Nerves; MRI
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