Key imaging characteristics for preoperative identification of cavernous sinus hemangioma.

Cavernous sinus hemangiomas are relatively rare but have characteristic imaging features. We present a case of a large extra-axial middle cranial fossa mass arising from the cavernous sinus in a 51-year-old female, and we describe the unique features and complications of this intracranial tumor. With the proper pre-operative diagnosis, an appropriate plan can be created for these highly vascular lesions, minimizing the risks involved with surgery.