1.Conclusions Laparoscopically assisted peritoneum vaginoplasty is a ideal operation for patients with congenital absence of vagina.结论腹腔镜下腹膜阴道成形术，是治疗先天性阴道缺如十分理想的手术。

2.Post-traumatic ventricular septal defects (VSD) can occur after acute MI or iatrogenically after invasive surgical procedures.外伤性室间隔缺如（VSD）可发生于急性心肌梗塞或医源性中的手术因素之后。

3.The middle hepatic vein was not an accurate indicator of the median fissure especially when the right portal trunk was absent.肝中静脉不是正中裂的准确识别标志，尤其在门静脉右支主干缺如的人群中。

4.Results: Pathological examination showed the colon muscle gangpon cells were reduced and degenerate or absent.结果：病理检查结果示结肠肌间神经节细胞减少变性或缺如。

5.Result: Undevelopment of the anencephalus (without development).结果：无脑儿肾上腺未发育（缺如）；

6.however, many doctors may misdiagnose when the areas of involvement are occult and pigmentation is untypical or lacking.同时某些肿块部位较隐蔽，皮肤色素斑缺如或不典型，在临床诊治中易被延误。

7.Echocardiography didn't show normal main pulmonary artery bifurcation structure, and the missing pulmonary artery was from aorta.超声心动图表现为主肺动脉分叉结构消失，缺如一侧的肺动脉由主动脉发出。

8.The basic pathologic reason is absence of gangpon cells which is considered to result by environmental and genetic factors.神经节变性缺如目前认为主要是由遗传因素和环境因素共同作用的结果。

9.The pituitary infundibulum is either absent or truncated.垂体柄可以缺如或缩短。

10.Imaging findings include an absent or hypoplastic anterior pituitary gland, most conspicuously seen on sagittal T1 or T2 weighted images.影像表现包括垂体前叶缺如或发育不良、在矢状位T1和T2序列上显示最明显。