GIST overlooked in CT images.

<p>A 64-year-old male with duodenal GISTs presented with melena for the past 20 days. A. Enhanced CT image demonstrates bowel wall thickening at the third segment on the axial section of the CT image and was overlooked. B. Post-procedural CT images (sagittal section) reveal the lesion more clearly. One radiologist had overlooked the lesion, while the other radiologist had misdiagnosed it as a heterotopic pancreas.</p

Clinicopathologic characteristics of small bowel GISTs in 197 patients.

<p>Clinicopathologic characteristics of small bowel GISTs in 197 patients.</p

CT findings of small bowel GISTs in 197 patients.

<p>CT findings of small bowel GISTs in 197 patients.</p

Jejunum GISTs with liver metastasis.

<p>A 64-year-old female with jejunum GISTs with liver metastasis presented with clinical abdominal pain for 6 months, and ultrasound examination detected liver masses for 1 week. A. Enhanced CT image reveals a lobular mass with severe necrosis and periphery enhancement. B. The axial section of the liver shows low-density lesions in the liver with slight enhancement. The patient was diagnosed with a malignant stromal tumor and hepatic metastasis. C. After treatment with Gleevec, the neoplasm became cystic and reduced in size.</p