Diseases
gastrointestinal tumors
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Overview
A gastrointestinal stromal tumor (GIST) is a type of cancer that begins in the digestive system. GIST s happen most often in the stomach and small intestine. A GIST is a growth of cells that's thought to form from a special type of nerve cells. These special nerve cells are in the walls of the digestive organs
Symptoms
- abdominal pain
- fatigue
- nausea and vomiting
- a growth you can feel in your abdomen
- cramping pain in the abdomen after eating
Causes
- the cause of most gists isn't known. a small number are caused by genes passed from parents to children.
Risk factors
- gists can happen in people at any age, but they are most common in adults
Diagnosis
- upper endoscopy.
- imaging tests.
- endoscopic ultrasound (eus).
- fine-needle aspiration biopsy.
Medicines used
Frequently asked questions
What is gastrointestinal tumors?
A gastrointestinal stromal tumor (GIST) is a type of cancer that begins in the digestive system. GIST s happen most often in the stomach and small intestine. A GIST is a growth of cells that's thought to form from a special type of nerve cells. These special nerve cells are in the walls of the digestive organs
What are the symptoms of gastrointestinal tumors?
abdominal pain, fatigue, nausea and vomiting, a growth you can feel in your abdomen, cramping pain in the abdomen after eating
What causes gastrointestinal tumors?
the cause of most gists isn't known. a small number are caused by genes passed from parents to children.
Which medicines are used for gastrointestinal tumors?
regorafenib, sunitinib
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