So this fetus presented seeral signs of trisomy 21, including the hypoplasia of the nasal bone, hypodontia, micrognathia, and hypospadias.

这样，本例胎儿显示21三体的若干征象：包括鼻骨、、和尿道下裂。

Objective:To investigate the method and results of free prepuce infrabasal or bladder mucosa in the treatment of hypospadias.

探讨采用游离包皮内板或膀胱粘膜治疗尿道下裂的方法及效果。