Histological staining with H-E revealed some abnormal chondrocytes within the lacunae, but there were cellular division and epithelization on both surfaces of the grafts.

• 结果术后1个月移植物已开始修，术后3个月移植物细胞形态、组织结构基本恢复正常，术后5个月修复完成，移植物鼓室面及外耳道面分别被覆光滑的单层立方上皮及复层鳞状上皮。