Pelvic gastrointestinal stromal tumor (GIST) mimicking ovarian cancer in a kidney-liver transplant recipient under chronic immunosuppression

This case report details a 39-year-old post-transplant patient with a large pelvic gastrointestinal stromal tumor initially misdiagnosed as a malignant ovarian neoplasm. Following successful surgical debulking, pathology confirmed a high-grade GIST carrying a KIT exon 9 mutation. The article highlights diagnostic challenges and the specific complexities of managing chronic immunosuppression alongside adjuvant tyrosine kinase inhibitors.