Gastric Gastrointestinal Stromal Tumor
Abstract: Gastrointestinal stromal tumors (GISTs) are rare neoplasms that occur predominantly in the stomach or the small intestine. They can result in ulcer-like pain or gastrointestinal bleeding. Although GISTs are submucosal lesions, forceps biopsies are usually normal. Therefore, other ways of obtaining histology should be used, for instance needle-knife biopsies or endoscopic ultrasound-guided biopsies.
The biological behavior depends on location, size, and mitosis activity. In general, GISTs require surgical resection. Patient with high-risk lesions should receive adjuvant chemotherapy with a tyrosine kinase inhibitor. This article is part of an expert video encyclopedia.
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Keywords
Gastrointestinal stromal tumor; Neoplasms; Standard endoscopy; Stomach; Video; Esophagogastroduodenoscopy, Needle-knife keyhole biopsy; gastroduodenoscopy
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