颅内表皮囊肿很少,发生在脑垂体者更为少见,现将所遇1例报告如下。患者,男,45岁。2年前出现左眼颞侧视物不清,行走时碰撞物体。近1年来性欲减退,渐丧失性功能。继而右眼出现颞侧偏盲、头痛、头晕。体检:神清,发育正常,声音尖细,面色较白。胡须、腋 Intracranial epidermis cysts are rare and occur less frequently in the pituitary gland. One case is reported below. Patient, male, 45 years old. Two years ago, the left side of the eyelid was unclear and the object collided while walking. In the past 1 years, the libido has subsided and gradually loses sexual function. Then the right eye appeared with hemianopsia, headache, dizziness. Physical examination: God clear, normal development, sharp voice, white complexion. Beard and beard