作者利用鼓室成型术后因胆脂瘤复发或鼓膜再穿孔二次手术机会,对23例移植听骨标本进行研究,9例系自体移植,14例系同种异体移植,自体听骨均为砧骨,同种异体中砧骨12例,槌骨2例。听骨植入中耳腔时间5～14年,平均9.6年。标本取出后立即用福尔马林液固定,乙二胺四醋酸脱钙,石蜡包埋后连续切片,苏本精伊红染色,光镜下观察组织改变。 23块移植的听骨有3块肉眼可见部分坏死,两块因胆脂瘤复发或残留引起,一块有硅胶膜 The authors used 23 cases of transplanted ossicles for tympanoplasty due to the recurrence of cholesteatoma or tympanic membrane perforation. 9 cases were autograft and 14 cases were allografts. All the autologous ossicles were anvils Bone, allograft incus in 12 cases, mallet in 2 cases. Hemotomes in the middle ear for 5 to 14 years, an average of 9.6 years. Immediately after the specimen was taken out, the cells were fixed with formalin, decalcified with ethylenediaminetetraacetic acid and embedded in paraffin for serial sections. 23 of the transplanted ossicles have 3 visible necrosis of the naked eye, two due to recurrence or residual of cholesteatoma, a piece of silicone film