Gastrointestinal stromal tumor other imaging findings
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Gastrointestinal stromal tumor Microchapters |
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Differentiating Gastrointestinal stromal tumor from other Diseases |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Other Imaging Findings
Fluoroscopy
On upper abdominal studies, filling defect projecting from the wall of the stomach may be seen, with overlying ulceration or cavitation.
Small GISTs appear as intramural masses. When large (> 5 cm), they most commonly grow outward from the bowel. Internal calcifications may be present. As the tumor outstrips its blood supply, it can necrose internally, creating a central fluid-filled cavity that can eventually ulcerate into the lumen of the bowel or stomach.