GIST (Gastrointestinal Stromal Tumor)

Gastrointestinal stromal tumors (GISTs) are a type of tumor that can be found anywhere in the digestive system and manifests itself by changing the natural structure of the normal cell and growing. It is usually seen between the ages of 40-80. It is seen in 6-15 million people in the world annually. It is most commonly found in the stomach, followed by the small intestine. Generally, those smaller than 5 cm have a better prognosis. Important indicators for risk are the size of the mass and its growth rate under the microscope.

What is GIST (Gastrointestinal Stromal Tumor)?

Gastrointestinal stromal tumors are usually asymptomatic in the early stages. Tumors smaller than 2 cm are often detected incidentally during endoscopy or on computed tomography scans taken for another reason. Symptoms that may occur include abdominal pain, bleeding, anemia, abdominal mass, dyspepsia and early satiety. The symptoms usually increase in proportion to the size of the tumor. If it is seen in the esophagus, difficulty in swallowing is also seen.

GIST (Gastrointestinal Stromal Tumor) Symptoms

Endoscopy, endoscopic ultrasound (EUS) or computed tomography (CT) are used for diagnosis.

GIST (Gastrointestinal Stromal Tumor) Diagnosis

Assoc. Dr. Mutlu Ünver graduated from Ege University Faculty of Medicine. Mutlu Ünver, who completed his specialty training at Ege University Faculty of Medicine, Department of General Surgery, serves his patients in his own clinic.

Associate Professor.

Mutlu Unver

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The standard treatment of GISTs is complete surgical removal of the mass. Depending on the diameter and location of the tumor, this procedure can be performed by open surgery, laparoscopic surgery or robotic surgery. Endoscopic removal methods can be used especially for small GISTs located in the stomach. In some cases, in addition to surgical treatment, medication and, in resistant cases, radiation therapy (radiotherapy) are also used.