Gastrointestinal stromal tumors (GISTs) are a kind of tumors with comparatively low incidence.GISTs arise not only in stomach and intestines but also occur in the pancreas, mesentery and omentum, etc.

• 摘要胃肠道间质瘤是一类发病率相对较低的肿瘤，其发生部位不仅限于胃肠道，而且还可发生于胰腺、肠系膜、网膜等部位。