.泌尿外科学urology 腔道泌尿外科学endourology 肾异位renal ectopia, ectopic kidney 肾缺如agenesis of kidney, anephrogenesis 孤立肾solitary kidney 肾畸形deformity of kidney 肾发育不全anephrogenesis;renal agenesis 肾发育不良renal dysplasia 节段性肾发育不良segmental dysplasia of kidney 额外肾supernumerary kidney 重复肾renal duplication 盘状肾disk kidney discoid kidney融合肾confluent kidney;fused kidney 马蹄形肾horseshoe kidney L形肾L-shaped kidney 肾下垂nephroptosis;renal ptosis 胸内肾thoracic kidney 盆腔肾pelvic kidney 游走肾exces