Multi-slice spiral CT diagnosis of extra-gastrointestinal stromal tumors

VernacularTitle:胃肠道外间质瘤的多层螺旋 CT 诊断
Author: Dong CHEN ; Changnong XIE ; Zeguang HUANG
Publication Type:Journal Article
Keywords: extra-gastrointestinal; stromal tumor; computed tomography; diagnosis
From: Journal of Practical Radiology 2014;(6):954-956,982
CountryChina
Language:Chinese
Abstract: Objective To analyze CT features of extra-gastrointestinal stromal tumom(EGIST).Methods The CT data of 9 pa-tients with EGIST proved by operation and pathology were analysed retrospectively.Results Of 9 cases with EGIST,7 cases were malignant and 2 cases were benign.2 cases were origina-ted from liver.2 cases from mesocolon,2 cases from Small mesentericin,2 case showed widely diffuse nodules scattered in peritoneum,omentum,small intestine,mesangial and colon serosa.In those nodules, some nodules from pelvic cavity wereinosculated into larger mass.1 case came from right kidney week gap.The biggestdiameter of tumomrs of each case was ranged from 5.0 cm to 14.0 cm (mean 9.6 cm).5 cases showed lobulated shape,4 cases showed round or oval.All cases showed non-homogeneous density in plain CT,with cystic change and necrotic foci in 7cases,calcification in 2 cases.In arterial phase,all cases appeared significantly abnormal thickening or multiply tumor blood vessels in edge and center of those tumors.Conclusion EGIST has unique imaging performance.