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目的探讨不同年龄结直肠癌患者临床及内镜特点,以提高结直肠癌早期诊断率。方法结直肠癌患者按年龄分为青年组(≤35岁)、中年组(36~59岁)、老年组(≥60岁),比较不同年龄组结直肠癌患者临床表现、内镜表现、病理资料。结果结直肠癌以中、老年人多见(占全部结直肠癌的89·8%),临床首发症状均为便血,青年组腹痛比中、老年组常见(P<0·05);各组均以左半结肠癌多见,共占76%,右半结肠癌占24%;中、老年组结直肠癌合并息肉的发生率高于青年组;青年组低分化腺癌较中、老年组多见。结论结直肠癌以中、老年多见,左半结肠癌较右半结肠癌多见,青年人结直肠癌低分化腺癌多见,恶性程度高,预后不良。
Objective To investigate the clinical and endoscopic characteristics of colorectal cancer patients at different ages in order to improve the early diagnosis rate of colorectal cancer. Methods Patients with colorectal cancer were divided into young group (≤35 years old), middle-aged group (36-59 years old), and elderly group (≥60 years old) according to age. The clinical manifestations and endoscopic findings of colorectal cancer patients in different age groups were compared. Pathological data. Results The colorectal cancer was more common in middle and old people (accounting for 89.8% of all colorectal cancers). The first clinical symptoms were blood in the stool, and the abdominal pain in the young group was more common than in the middle and old age groups (P<0.05). The incidence of colorectal cancer in the left half was more common, accounting for 76%, and right colon cancer accounted for 24%; the incidence of colorectal cancer with polyps in the middle and old age group was higher than that in the young group; the poorly differentiated adenocarcinoma in the young group was more than the middle and old age group. More common. Conclusions Colorectal cancer is more common in middle-aged and elderly patients. Left-sided colon cancer is more common than right-sided colon cancer. Young poorly differentiated adenocarcinoma of colorectal cancer is more common, with higher malignancy and poor prognosis.