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IOSR Journal of Dental and Medical Sciences (IOSR-JDMS)
IOSR Journal of Dental and Medical Sciences (IOSR-JDMS)

1 Neuroendocrine Tumors: A Review of CT and MRI Findings
1 Neuroendocrine Tumors: A Review of CT and MRI Findings

... may not be identified on imaging, usually due to small size and inability to differentiate from the adjacent bowel wall. If identified, they may present as a hypervascular mass or as bowel wall thickening with avid enhancement. In these cases, MRI, especially T1-weighted post contrast sequences, may ...
Intestinal Tumors in Dogs and Cats
Intestinal Tumors in Dogs and Cats

... diarrhea, and blood within the vomit or feces. Vomiting tends to occur more with tumors in the small intestine, while diarrhea or constipation can occur with tumors of the large intestine. An abdominal mass may sometimes be palpated by your veterinarian on physical examination. Some tumors can cause ...
1

Gastrointestinal stromal tumor



Gastrointestinal stromal tumors (GISTs) are the most common mesenchymal neoplasms of the gastrointestinal tract. GISTs arise in the smooth muscle pacemaker interstitial cell of Cajal, or similar cells. They are defined as tumors whose behavior is driven by mutations in the KIT gene (85%), PDGFRA gene (10%), or BRAF kinase (rare). 95% of GISTs stain positively for KIT (CD117). Most (66%) occur in the stomach and gastric GISTs have a lower malignant potential than tumors found elsewhere in the GI tract.
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