descending part of duodenum

Results 225 piece of the upper digestive tract polyps in 216 patients was removed, 20 piece of polyps were located to descending part of duodenum, 205 piece of polyps were examined pathologically, 2 cases were unsuccessful.

结果共切除息肉225颗，其中20颗息肉因进入十二指肠降段，205颗息肉进行病理活检，2例电切未能成功。

The tumor was predilection in the descending part of the duodenum, 45 cases, while 4 in bulbar zone, 4 in the horizontal part and none in the ascending part. The main pathological type is adenocarcinoma, 90.5%.

肿瘤好发于十二指肠降部，共45例，另外球部4例，水平部4例，升部0例，病理类型以腺癌为主，占90.5%。

Spiral CT imaging of descending part of duodenum: role in diagnosis of peri-ampullaris carcinoma

十二指肠降部螺旋CT表现在壶腹周围癌诊断中的价值

Results Early diagnosis were accomplished in 7 patients with a early-diagnosis ratio of 31.8%. The descending part of duodenum was the most common site of blunt injuries with a morbidity of 45.5% ( 10/ 22).

结果术前早期确诊7例（31.8%），受伤部位主要为十二指肠第二段，共10例，占45.5%。