| Objective To study and analyze the diagnostic value of CT features in predicting the malignant degree of gastrointestinal stromal tumors.Methods The clinical data of 49 patients with gastrointestinal stromal tumors admitted to our hospital from April 2013 to December 2009 were retrospectively analyzed and compared with the histopathological grading. The relationship was assessed between the location, size, shape, growth pattern, density, degree of enhancement and the malignant degree of gastrointestinal stromal tumors.Results Forty-nine patients with malignant lesion size were positively correlated, and the difference was statistically significant (P<0.05); no significant difference was found between lesion morphology, growth pattern and degree of enhancement and the malignant degree (P>0.05); however, the difference was statistically significant between the lesions and the malignant degree of enhancement(P<0.05). Lymph node metastasis was not detected in this group of patients, but three cases were found with abdominal mass and the surrounding tissue adhesion with unclear boundary; there were four caseswith intrahepatic metastasis, two cases with abdominal cavity widespread implantation metastasis.Conclusion The lesions, size, density, bull eye sign and enhancement pattern of a number of factors are closely related to the malignant degree, which can be a preliminary judgment of the malignancy of gastrointestinal stromal tumor. The lesions more than 5cm and the emergence of bovine syndrome can be diagnosed as malignant gastrointestinal stromal tumors. |
