S形的,C形的;
S形,S状弯曲;

Fig 3. EMR for sigmoid colon submucosal cancer, additional surgical operation after EMR.
图3. 乙状结肠粘膜下癌EMR切除,术后追加外科肠段切除.
来源:互联网摘选The sigmoid colon and upper rectum were pressed backward and narrowed on colic photography.
结肠气钡双重造影:乙状结肠及直肠上段向后受压变细.
来源:网络文摘精选The ulcerations worsen and the woman eventually underwent a loop sigmoid colostomy.
溃疡恶化,最终该女患经受了乙状结肠袢式造口术.
来源:网络文摘精选笔者报道了12例直肠癌乙状结肠造口术后放射治疗患者的护理.
来源:网络文摘精选Objective To study the diagnosis and operative treatment of redundant sigmoid colon in children.
目的探讨小儿乙状结肠冗长症的诊断及手术治疗方法.
来源:互联网摘选We performed complete wedge resection of the diverticulum and primary closure of the sigmoid colon.
我们作憩室之楔状切除后,其乙状结肠作直接逢合.
来源:互联网摘选其他的病史包括高血压,6年前因憩室病行部分乙状结肠切除术.
来源:互联网摘选The left kidney was multicystic dysplastic. The sigmoid colon was extremely distended.
左肾为多囊肾和发育不良,乙状结肠极度扩张.
来源:网络文摘精选
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