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胃窦血管扩张,又称“西瓜胃”,是慢性肠道出血的罕见原因之一。作者见到1例,男,72岁,疲劳,黑便数年。五肽胃泌素刺激胃液分析表明胃酸缺乏。贫血(Hb5g/dl)胃双对比检查示胃窦粘膜皱襞突出、扇贝形,并朝幽门括约肌方面呈放射状排列,提示胃窦部炎症。CT发现胃窦壁增厚达1cm。内窥镜示胃窦壁粘膜皱襞增厚、质脆有活动性出血,朝幽门括约肌方向呈放射状排列,活检见该处粘膜皱襞顶部毛细血管扩张,有血栓形成,粘膜小凹增生,粘膜肌层肌纤维扩展到固有层内。诊断为胃窦血管扩张,行“胃窦切除和迷走神经切断
Antral vascular expansion, also known as “watermelon stomach”, is one of the rare causes of chronic intestinal bleeding. The author saw 1 case, male, 72 years old, tired, black stool for several years. Gastrin analysis of pentagastrin stimulation Gastric acid deficiency. Anemia (Hb5g / dl) double gastric contrast examination showed antral mucosal folds prominent, scallop-shaped, and toward the pyloric sphincter radial arrangement, suggesting inflammation of the antrum. CT found that gastric wall thickening up to 1cm. Endoscopic sinus wall mucosal folds thickening, crisp with active bleeding, toward the pyloric sphincter radial arrangement, the biopsy where the top of the mucosal folds capillaries dilation, thrombosis, mucociliary hyperplasia, mucosal muscle layer Muscle fibers extend into the lamina propria. Diagnosis of gastric antrum vasodilation, line "antrum resection and vagotomy