Stromal tumours arepositive for both and leiomyosarcomas show very few giant cells positivefor both,A uterine sarcoma strongly positive for A1AT and A1ACT islikely to be a stromal neoplasm.

• 免疫组织化学PAP法显示内膜间质肿瘤A1AT及A1ACT多阳性,与平滑肌肉瘤鉴别,具有重要参考价值。