Gastroenterology Commons^™

Gastrointestinal Stromal Tumor Induced Hypercalcemia, Aram Barbaryan, Stefania Bailuc, Padma Poddutoori, Aida Richardson, Aibek E. Mirrakhimov

Internal Medicine Faculty Publications

Hypercalcemia in patients with cancer is a common laboratory finding affecting up to 44% of that patient population. 1,25-Dihydroxyvitamin D₃ mediated hypercalcemia is one of the rare mechanisms of this endocrine emergency in cancer patients. It is even rarer for solid organ neoplasms to present with hypercalcemia mediated through the production of 1,25-dihydroxyvitamin D₃. We report a case of a 77-year-old female who presented to the hospital with hypercalcemia and later was found to have metastatic gastrointestinal stromal tumor. There have been only 5 cases of gastrointestinal stromal tumor described in literature resulting in hypercalcemia. In our …