Gastrointestinal Stromal Tumor
Gastrointestinal Stromal Tumor
(GIST; Tumor, Gastrointestinal Stromal; Gastrointestinal Stromal Sarcoma; Gastric Myosarcoma; Gastric Myoblastoma; Gastrointestinal Leiomyosarcoma; Gastrointestinal Smooth Muscle Tumor)
|GIST may occur anywhere in the digestive system.|
|Copyright © Nucleus Medical Media, Inc.|
- Neurofibromatosis (a genetic disorder of the nervous system)
- Family history of GIST—Very rarely, GISTs have been found in members of the same family.
- Fatigue (tiredness and weakness)
- Fever; sweating at night
- Weight loss
- Feeling full after eating a small amount of food
- Abdominal pain
- Painless lump in the abdomen
- Nausea and/or vomiting
- Blood in stool or vomit
- Problems swallowing (for tumors in the esophagus)
- Barium swallow —involves drinking a fluid that makes the esophagus, stomach, and intestines show up on x-ray
- Barium enema —barium is injected into the rectum so that the large intestine can be clearly seen on x-ray
- Ultrasound —a test that uses sound waves to look at the digestive system
- Endoscopy—a thin, lighted tube is inserted down the esophagus to look at the upper digestive system
- Colonoscopy —a thin, lighted tube is inserted up the rectum to look at the lower digestive system
- Endoscopic ultrasound —a thin, lighted tube with a tiny ultrasound transducer within it is passed into the esophagus
- Computed tomography (CT) scan —a type of x-ray that uses a computer to make pictures of the inside of the digestive system
- Magnetic resonance imaging (MRI) scan —a test that uses magnetic waves to make pictures of the inside of the digestive system
- Positron emission tomography (PET) scan —radioactive material is injected into a vein to measure activity in the cells of your body (Cancerous areas are usually more active, so they attract more of the radioactive material. They can then be seen on the scan.)
American Cancer Society http://www.cancer.org/
American Gastroenterological Association http://www.gastro.org/
Canadian Association of Gastroenterology http://www.cag-acg.org/
Canadian Cancer Society http://www.cancer.ca/
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Gastrointestinal stromal tumor (GIST). American Cancer Society website. Available at: http://www.cancer.org/cancer/gastrointestinalstromaltumorgist/detailedguide/gastrointestinal-stromal-tumor-what-is-gist . Updated August 24, 2010. Accessed July 18, 2011.
Gastrointestinal stromal tumors (GISTs). Macmillan Cancer Support website. Available at: h ttp://www.macmillan.org.uk/Cancerinformation/Cancertypes/Softtissuesarcomas/Typesofsofttissuesarcomas/GIST.aspx . Updated December 2010. Accessed July 18, 2011.
Rubin BP, Heinrich MC, Corless CL. Gastrointestinal stromal tumour. Lancet . 2007;369(9574):1731-1741.
Shinomura Y, Kinoshita K, Tsutsui S, Hirota S. Pathophysiology, diagnosis, and treatment of gastrointestinal stromal tumors. J Gastroenterol . 2005;40:775-780.
- Reviewer: Mohei Abouzied, MD
- Review Date: 11/2012 -
- Update Date: 11/26/2012 -