CT manifestation and its diagnostic value of gastrointestinal stromal tumors

VernacularTitle:胃肠道间质瘤的CT表现及诊断价值
Author: Nan ZHOU ; Zhiping WANG ; Hai ZHOU
Publication Type:Journal Article
Keywords: Gastrointestinal stromal tumors; Tomography,X-ray computed
From: Chinese Journal of General Practitioners 2010;09(8):566-569
CountryChina
Language:Chinese
Abstract: The CT images of 42 pathologically confirmed cases of gastrointestinal stromal tumors were reviewed, and compared with pathological results. In 20 cases, the lesions were located in stomach, 21 in small intestine, 1 in mesentery. In 18 cases pathologically confirmed as benign tumors, 16 were positive on CT scan, which presented round solid mass with homogeneous density, mean diameter of 3.8 cm (2 -6 cm), homogeneous enhancement on post-contrast scan. In 21 malignant cases all were on CT scan, which presented irregular or lobulated solid mass with heterogeneous density and cystic change inside, mean diameter of 10. 1 cm (4 - 30 cm) , heterogeneous enhancement with no enhancement in cystic part. In 3 potentially malignant cases, CT images showed irregular solid mass with homogeneous density, diameter of 4 - 8 cm, homogeneous enhancement in post-contrast scan. CT scan can accurately show the location and size of gastrointestinal stromal tumors, and is of important diagnostic value.