(28.56702.2380.2406.3378)

结肠黑变病（MC）是以结肠黏膜黑色素沉着为特征的非炎症性肠病，其本质是结肠黏膜固有层内巨噬细胞含有大量脂褐素。男性多于女性，发病年龄多大于60岁。主要有腹胀、便秘及排便困难，少数患者有下腹部隐痛及食欲欠佳等。...</br> generated by yvsou girl

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