胃和十二指肠良性肿瘤 (GDBT)比较少见。在胃肿瘤中 ,良性肿瘤仅占 6%～ 8% ,在十二指肠肿瘤中 ,良性肿瘤所占比例稍多 ,约 2 0 %左右 ,但总的来说 ,十二指肠良性肿瘤更为少见。从组织学上看 ,良性肿瘤可以来自腺体 ,也可以来自间叶组织。因胃和十二指肠的腺体组织不同 ,来自腺 Gastric and duodenal benign tumors (GDBT) are rare. In gastric tumors, benign tumors only 6% to 8%, in duodenal tumors, the proportion of benign tumors slightly more, about 20%, but in general, more benign tumors of the duodenum Rare. Histologically, benign tumors can come from the gland and from mesenchymal tissue. Due to the stomach and duodenum different glandular tissue, from the gland