方法复习原发性腹膜后脂肪肉瘤临床资料及文献，总结伴有亚型转化的原发性腹膜后脂肪肉瘤病人的生存时间及复发率。
Methods To review the clinical information and references, and compare the recurrence rate and the survival time of the patients with subtype exchanging and the patients without subtype exchanging.
方法回顾性总结手术治疗的32例肝外胆管癌的临床资料、手术方式、手术并发症及生存率，并复习相关文献资料。
Methods Clinical data, surgical procedures, operative complications and survival rate of 32 cases with cholangiocarcinoma were analyzed retrospectively, and related archives were reviewed.
方法运用组织病理学、免疫组化及电镜观察扁桃体滤泡树突细胞肉瘤的特征，总结临床特点和治疗情况，并复习文献加以分析。
Methods The histopathology, immunohistochemistry, ultrastructure and treatment were reported in 1 case of follicular dendritic cell sarcoma of tonsil with review of related literature.
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