泌尿、男性生殖系统先天性畸形/ congenital malformation of urinary system and male reproductive system // congenital malformation of urinary system and male reproductive system /
由于遗传或环境因素导致的泌尿、男性生殖系统发育缺陷。胎儿出生时畸形已经存在。
肾盂输尿管连接处梗阻/ ureteropelvic junction obstruction; UPJO /ureteropelvic junction obstruction; UPJO
肾盂输尿管连接处梗阻肾盂到输尿管的狭窄导致尿液流动受阻。