患者男,64岁。因呕血2h于2005年2月17日入院。临床诊断为上消化道出血。急诊手术,行胃大部切除。病理检查:次全切胃组织,胃窦小弯侧见一溃疡,3cm×2cm,深0.5cm,底不平。切面呈灰白色,质较硬,边界尚清。多处取材,常规制片及HE染色。镜下观察:瘤细胞多呈小梁状、原始小管状或腺泡 Patient male, 64 years old. Hematemesis 2h on February 17, 2005 admission. Clinical diagnosis of upper gastrointestinal bleeding. Emergency surgery, gastric resection. Pathological examination: subtotal stomach tissue, a small ulcers on the lesser curvature of the antrum, 3cm × 2cm, depth 0.5cm, uneven at the end. Section was gray, qualitative hard, clear boundary. Multiple drawing, conventional production and HE staining. Microscopic observation: most of the tumor cells were trabecular, primitive small tubular or acinar