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结、直肠黑变病（Ｍｅｌａｎｏｓｉｓ ｃｏｌｉ ａｎｄ ｒｅｃｔｕｍ）是指结、直肠粘膜呈不同的色素沉着，病理检查可见肠粘膜固有层内有大量密集或散在分布的胞浆内色素样颗粒的巨噬细胞。国内文献报道较少，我院自１９８０年开展纤维结肠镜检查以来，在１２７０例接受肠镜检
Conclusion Melanosis and rectum refers to the junction and rectal mucosa were different pigmentation, histological examination revealed a large number of dense lamina or scattered within the lamina propria within the pigment-like particles of macrophages. Domestic literature reported less since our hospital since 1980, colonoscopy, in 1270 cases of colonoscopy