CT对急性结直肠癌肠梗阻的诊断意义

Values of CT in the diagnosis of acute bowel obstruction secondary to carcinoma of the colon and rectum

目的分析肿瘤导致的结肠梗阻的CT征象并探讨其诊断价值。方法回顾性分析温江区人民医院2004年1月至2008年3月经手术病理证实的25例结、直肠癌性肠梗阻患者的临床资料及CT征象。结果导致肠梗阻的升结肠癌1例,结肠肝曲癌2例,横结肠癌1例,结肠脾曲癌3例,降结肠癌5例,乙状结肠癌6例,直肠癌7例。CT主要征象为含有气体的软组织块影或肠侧壁肿块影,其形状可呈圆形、椭圆形、三角形和管状改变。增强扫描呈显著强化。结论CT对结肠癌性肠梗阻诊断价值较大,可作为一种常规检查。

Objective To evaluate the role of CT in the diagnosis of patients with acute bowel obstruction secondary to carcinoma of the colon and rectum. Methods The clinical date and CT features of 25 patients with acute bowel obstruction secondary to carcinoma of the colon and rectum were analyzed retrospectively. These patients were treated surgically and a definite pathologic diagnosis was ascertained. Results Among the 25 patients, the bowel obstruction was caused by ascending colon cancer in 1 cases, hepatic flexure of colon cancer in 2 cases, transverse colon cancer in 1 case, splenic flexure of colon cancer in 3 cases, descending colon cancer in 5 cases, sigmoid colon cancer in 6 cases, and rectal cancer in 7 cases. The CT features were soft tissue lump shadow containing gas. And the shape displayed spherical,ellipse,triangle or tubiform. The enhancement scanning CT presented conspicuous reinforcement area. Conclusion CT scan has important diagnostic value in acute bowel obstruction secondary to carcinoma of the colon and rectum. It can be used as a routine examination for these patients.