A gastrointestinal stromal tumor (GIST) is one of the most common mesenchymal tumors of the gastrointestinal tract (1-3% of all gastrointestinal malignancies). They are typically defined as tumors whose behavior is driven by mutations in the Kit gene or PDGFRA gene, and may or may not stain positively for Kit.
Read more about Gastrointestinal Stromal Tumor: Signs and Symptoms, Diagnosis, Radiology, Pathophysiology, Heritability, Therapy, Epidemiology, History