错构瘤是一种少见病,而源发耳屏的错构瘤更为少见,现报告1例。患者女,44岁。左耳屏黑色小肿块40余年。局部无隆起,无疼痛、搔痒等不适,后随年龄增大而逐渐隆起。于1988年9月20日就诊。检查见左耳屏内侧有一赤豆大的褐色隆起,局部无压痛、质地中等、无移动、界限清楚。外耳道及鼓膜无异常。初诊:左耳屏黑痣。 Hamartoma is a rare disease, and hamartoma with cephalic origin is less common. One case is now reported. The patient is 44 years old. Left ear screen black small lumps for more than 40 years. There is no local uplift, no pain, itching and other discomfort, and then gradually bulge with age. He was seen on September 20, 1988. Examination revealed a large brown bulge on the inside of the left tragus screen, with no local tenderness, moderate texture, no movement, and clear boundaries. There is no abnormality in the external auditory canal and tympanic membrane. Newly diagnosed: Left ototic screen black pimple.