Results (1) 42 ears of 32 cases with external ear abnormalities were found, these abnormalities included bony external auditory canal atresia in 30 ears, membranous atresia in 5 ears, and external auditory canal stenosis in 7 ears.

• 结果(1)外耳畸形32例共42耳,其中外耳道骨性闭锁30耳,显示闭锁板为完全性26耳,不完全性4耳。 膜性闭锁5耳。