MR-IMAGING FEATURES OF AN INTRACOCHLEAR ACOUSTIC SCHWANNOMA

We present a very unusual case of an acoustic neuroma involving the le ft cochlea and internal auditory canal of a 24-year-old man. Clinical suspicion was aroused when the patient presented with a left total sen sorineural hearing loss and continuing vertigo, The diagnosis was made pre-operatively with MRI after initial CT scanning was normal. The tu mour was removed via a transotic approach. This case report demonstrat es the MRI features of an intracochlear schwannoma and emphasizes the importance of MRI in patients with significant auditory and clinical a bnormalities with normal CT scans of the relevant region.