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Shanxi, China

Yang J.,Shanxi Caneer Hospital | Yang X.,Shanxi Caneer Hospital | Wang Y.,Shanxi Caneer Hospital | Xin L.,Shanxi Caneer Hospital | Song X.,Shanxi Caneer Hospital
Cancer Research and Clinic | Year: 2014

Objective: To investigate the application of three stages enhanced scan of multi-slice spiral CT for the characteristic analysis on the wall and lumen of colorectal mucous adenocarcinoma. Methods: 51 patients with colorectal mucinous adenocarcinoma who had complete pathologic diagnosis were studied. GE Discovery CT 750HD scanner was used for line scan, arterial and portal venous phase scan, and delayed scan. The lesions of intestinal wall, enteric cavity and proximal normal lumen were observed by line scan and enhanced scan, and the related quantitative value and CT value were observed. Results: The intestinal wall was uneven annular thickening or hemispherical thickening. The thickening intestinal wall showed lobular changes around the inner margin, outer margin, or without lobular changes. The hierarchical sign and cvstoids sign were observed with three layers or two layers structure after enhanced scan. Metastases of the larger lymph node, liver, ovaries were characterized similar to cyst. According to the form, the stenosis was divided into natural streamlined, irregular fixed, and irregular constrictive types. The proximal normal intestinal canal of the lesion showed occlusion, mild expansion or severe expansion. Conclusions: Walls of colorectal mucous adenocarcinoma was uneven annular thickening or hemispherical thickening, in which calcification was found, and there was features of similar to layer and cyst after enhancement. The stiff intestinal wall appeared less, and the proximal bowel obstruction was rare. Therefore, depend on these characteristics, the diagnosis of colorectal mucous adenocarcinoma can be achieved.

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