Rectal gastrointestinal stromal tumor
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At the time the case was submitted for publication Mohammadtaghi Niknejad had no recorded disclosures.View Mohammadtaghi Niknejad's current disclosures
Pelvic pain and chronic constipation.
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An 82×81×62mm enhancing, well defined mass is seen in the right wall of the lower and middle third of rectum. The mass originates from the rectal wall and shows exophytic growth. Mucosal layer over the mass is intact. The prostate is displaced anteriorly. There is no sign of vascular invasion.
Large rectal wall mass; path proven gastrointestinal stromal tumor (GIST), which is the most common mesenchymal tumor of the gastrointestinal tract.
GISTs occur anywhere along the gastrointestinal tract. Anorectal GISTs includes about 7% 1 of all cases and more likely to be high grade 2.
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- 2. Tateishi U, Hasegawa T, Satake M, Moriyama N. Gastrointestinal stromal tumor. Correlation of computed tomography findings with tumor grade and mortality. (2003) Journal of computer assisted tomography. 27 (5): 792-8. doi:10.1097/00004728-200309000-00018 - Pubmed