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1、十二指肠腺主要分布在十二指肠的第一段。它们分泌出一种粘液物质来对抗胃液的作用,以保护粘膜。 2、偶见有十二指肠腺有腺瘤形成。该腺瘤恶性变的病例未见有文献报道。 3、十二指肠腺腺瘤的患者可有非特异性上腹部不适、胃肠道出血或幽门梗阻等征候。但多数患者始终无症状。 4、在上消化道X线照片上,肿瘤显得象一无柄的边缘光滑的或息肉样的充盈缺损,这最常见于十二指肠球部区域内。
1. Duodenal glands are mainly distributed in the first part of the duodenum. They secrete a mucous substance to counteract the effects of gastric juice to protect the mucous membranes. 2, occasionally there are duodenal gland adenoma formation. The case of malignant transformation of the adenoma has not been reported in the literature. 3, duodenal adenoma patients may have nonspecific abdominal discomfort, gastrointestinal bleeding or pyloric obstruction and other signs. However, most patients are always asymptomatic. 4. In the upper gastrointestinal radiograph, the tumor appears as a sessile smooth or polypoid filling defect, which is most common in the duodenal bulb region.