<prompt> CF of cerebello pontine angle tumoursTinitusDeafnessLoss of cornea reflexAll  <response>: Most CPA tumors are benign, with over 85 being vestibular schwanommas acoustic neuromas, lipomas, vascular malformations, and hemangiomas. Presenting symptoms of CPA tumors including acoustic neuromas include the following: Hearing loss - 95 Tinnitus - 80 Veigounsteadiness - 50-75 Headache - 25 Facial hypesthesia - 35-50 Diplopia - 10 Loss of corneal reflex Ref Harrison20th edition pg 2657 