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患者:王×,女,68岁,退休干部。因右中心型肺癌来院化疗。近1周来,大便次数偶增多,2次/d,自以为与肿瘤有关,要求结肠镜检查。结肠镜检查:进镜80 cm达回盲部,回盲瓣呈乳头型,进入回肠末端,粘膜正常。退镜观察,回盲部、升结肠、横结肠、降结肠粘膜呈深棕褐色,片状、颗粒状弥漫分布,蠕动尚可,降结肠以下粘膜正常。病理检查:肠粘膜固有膜内有大量密集的巨噬细胞,胞浆内充满黑色颗粒。讨论:结肠黑便病是以结肠粘膜色素沉着为特征的非炎症
Patients: Wang ×, female, 68 years old, retired cadres. Because of right-center lung cancer to hospital chemotherapy. Nearly a week, stool frequency even increased, 2 times / d, thought to be related to the tumor, requiring colonoscopy. Colonoscopy: into the mirror 80 cm up to the ileocecal part, the ileocecal valve was papillary, into the terminal ileum, normal mucosa. Reflux mirror observation, ileocecal Department, ascending colon, transverse colon, descending colon mucosa was dark brown, flaky, granular diffuse distribution, peristalsis is acceptable, down the normal mucosa below the colon. Pathological examination: a large number of intestinal mucosa inherent dense membrane of macrophages, cytoplasm full of black particles. Discussion: Colic mellitus is a non-inflammatory colorectal mucosal pigmentation characterized by