Objective To explore the safety and feasibility of nerve endoscopic assisted microsurgery in the treatment of epidermoid tumor of the cerebellopontine angle area. Methods The data of 27 patients with epidermoid tumor of the cerebellopontine angle area treated with nerve endoscopic assisted microsurgery were retrospectively analyzed,and the prognosis effects were observed. Results The shape,size,boundary,and blood flow signal of tumor were clearly displayed by CT and MRI. Twenty-two cases were treated with t...