【摘要】：目的:探討不同組織學級別結直腸腺癌CT表現(xiàn)的差異。方法:回顧性分析219例經病理確診的結直腸腺癌患者臨床和CT資料,按組織學分化程度分為高級別結直腸腺癌和低級別結直腸腺癌兩組,比較兩組患者發(fā)病年齡、性別、病變部位、病變腸壁長度及厚度、腸壁增厚形式、強化程度、增強后低密度比例、腸周浸潤程度、腸周淋巴結腫大、合并腸梗阻、肝臟和腹膜轉移的差異。結果:高級別和低級別結直腸腺癌在病變腸壁增厚形式、腸周浸潤程度和腸周淋巴結腫大等方面差異有統(tǒng)計學意義(χ~2=21.571、6.613和34.859,P0.05),在平均發(fā)病年齡、性別比例、病變部位、病變腸壁長度及厚度、強化程度、增強后低密度比例、合并腸梗阻肝臟和腹膜轉移等方面差異無統(tǒng)計學意義(P0.05)。結論:不同組織學級別的結直腸腺癌CT表現(xiàn)有顯著差異。相對低級別結直腸腺癌,高級別結直腸腺癌病變腸壁更易呈環(huán)形增厚、腸周浸潤程度更重、腸周淋巴結腫大更多。
[Abstract]:Objective: to investigate the difference of CT findings in colorectal carcinoma with different histologic grades. Methods: the clinical and CT data of 219 patients with colorectal carcinoma diagnosed pathologically were analyzed retrospectively. according to the degree of histologic differentiation, they were divided into two groups: high grade colorectal carcinoma and low grade colorectal carcinoma. The age and sex of onset were compared between the two groups. The location of lesion, the length and thickness of intestinal wall, the thickening form of intestinal wall, the degree of enhancement, the ratio of low density after enhancement, the degree of periintestinal infiltration, the enlargement of periintestinal lymph nodes, the difference of intestinal obstruction, liver and peritoneal metastasis. Results: there were significant differences in the thickening of intestinal wall, the degree of periintestinal invasion and peri-intestinal lymph node enlargement between high-grade and low-grade colorectal carcinoma (蠂 ~ 2 鈮，

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