Related Experiment Video
Updated: Jul 19, 2026

Robotic Duodenal Sleeve Resection for Gastrointestinal Stromal Tumor with Rare Exon 8 KIT Mutation Following Neoadjuvant Imatinib
Published on: April 3, 2026
Metastatic gastrointestinal stromal tumor and hypercalcemia in a patient with ulcerative colitis
Mansour S Al-Moundhri1, Khaled Al-Thahli, Said Al-Kindy
1Department of Medicine, College of Medicine, Sultan Qaboos University, PO Box 35, Muscat 123, Oman. mansours@squ.edu.om
Abstract:
A 45-year-old man suffering from intermittent rectal bleeding was diagnosed with ulcerative colitis involving the descending colon and rectum. After 2 years on ulcerative colitis treatment, he presented with metastatic gastrointestinal tumor, liver and peritoneal spread, and a pelvic mass. Interestingly, he was found to have significant hypercalcemia. He was treated with Imatinib with significant symptomatic and clinical response.
Related Concept Videos
Inflammatory Bowel Disease II: Ulcerative Colitis
Inflammatory Bowel Disease I: Ulcerative Colitis
Inflammatory bowel disease, or IBD, encompasses a group of disorders characterized by chronic inflammation or ulceration of the gastrointestinal tract.
Risk Factors
The exact cause of IBD remains unclear, although it is believed to be due to a mix of genetic, environmental, microbial, and immune factors. Genetic factors are significant in determining susceptibility to IBD, with family history being a critical risk factor. Individuals with a first-degree relative who has IBD are at...
Drugs for Treatment of Ulcerative Colitis in IBD