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应用组织病理学、细菌学和免疫组织化学染色等方法，对８３例绝经后子宫出血内膜组织进行回顾性研究；结果显示，４３例（５１．８％）为非器质性绝经后子宫出血，其中４２例内膜组织中查见Ｌ型菌．本组细菌Ｌ型感染阳性率为９７．６％，免疫组织化学染色在９０．５％的内膜组织中检出细菌Ｌ型抗原，提示细菌Ｌ型感染与绝经后子宫出血关系密切，是导致非器质性绝经后子宫出血的重要原因之一．
83 cases of postmenopausal uterine bleeding endometrial tissue were retrospectively studied by histopathology, bacteriological and immunohistochemical staining. The results showed that 43 cases (51.8%) were non-organic postmenopausal uterine bleeding , Of which 42 cases of L type bacteria found in the endometrial tissue. The positive rate of bacterial L-type infection in this group was 97.6%. Immunohistochemical staining of bacterial L-type antigen in 90.5% of the intima revealed that bacterial L-type infection was closely related to postmenopausal uterine bleeding, leading to Non-organic one of the important causes of postmenopausal bleeding.