CT findings of a gastrointestinal stromal tumor arising from small bowel
Quantitative Imaging in Medicine and Surgery, 03/16/2012Gong JS et al.
Gastrointestinal stromal tumors (GISTs), the most common mesenchymal tumors of the gastrointestinal tract, arise from interstitial cells of Cajal. Most of them are composed of spindle cells and mimic leiomyoma morphologically. Nearly all GISTs demonstrate positive staining for CD–117 at immunohistochemistry examination, which helps to distinguish them from true leiomyomas.
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