Imaging Evaluation of Gastrointestinal Stromal Tumor
- VernacularTitle:消化道间质瘤的影像学分析
- Author:
Xin LIU
;
Yuehe LI
- Publication Type:Journal Article
- Keywords:
stromal tumor;
gastrointestinal tract;
barium meal examination;
tomography,X-ray computed
- From:
Journal of Practical Radiology
1992;0(11):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To analyze the imaging features of gastrointestinal stromal tumor(GIST).Methods Imaging features and differential diagnosis of GIST proved surgically and pathologically in 21 cases were studied retrospectively.Results The lesions occurred in esophagus in 1,stomach in 15,small intestine in 3 and colon in 2.The findings of barium meal examination included flattened or shifed mucosal folds(6/21),filling defect(8/21) and extralumially oppressed sign(2/21).CT showed extralumial or intraluminal mass with homogeneous density in 12 cases,liquid-dense necrosis in 6 cases and calcification within tumor in 2 cases.Remarkable enhancement was noted in all tumors,heterogeneous and homogeneous enhancement were showed in 17 and 3 cases respectively.Conclusion GIST is one of the most common gastrointestinal mesenchymal tumors.CT is an effective and useful modality in the diagnosis of GIST.
