在指导临床医学本科生解剖腹盆腔时,发现1例右位乙状结肠的变异(图1),为积累解剖学资料,给临床检查、诊断与治疗提供参考。现报道如下:老年男性,身高158cm,发育正常,腹部未见手术切口的疤痕。开腹后观察腹盆腔脏器时,发现盲肠尾端居右髂嵴下1cm, In guiding clinical undergraduates to dissect the abdominal pelvis, one case of right sigmoid colon variant (Figure 1) was found, which provided a reference for clinical examination, diagnosis and treatment for the purpose of accumulating anatomic data. Are reported as follows: Elderly men, height 158cm, normal development, abdomen no surgical incision scar. Open abdominal observation of abdominal organs, found in the tail of the caecum right iliac crest 1cm,