Benign neoplasm of cranial nerves [D33.3], Reason for Study: ^Reason: acoustic neuroma, RT planning History: RT planning This is limited study for RT planning protocol.There is about 11.2mm x 15mm sized right CP angle mass which extends toward right IAC. On Gad enhanced images, the lesion including intra canalicular portion shows intense enhancement with internal non enhancing areas indicating cystic or necrotic components. These findings are consistent with acoustic neuroma.The ventricles, sulci and cisterns are symmetric and unremarkable. The paranasal sinuses and mastoid air cells are clear.
Right CPA tumor which extends toward right IAC, consistent with acoustic neuroma.