肾囊性畸形(cystic malformation of kidney)多与遗传性疾病有关,共同形态特点是双侧肾脏不同水平的多囊性改变,包括多囊肾(polycystic kidney),髓质海绵肾(medullary sponge kidney),肾髓质囊性病(medullary cystic disease)。多房性囊性肾发育不良(multi-cystic dysplastic kidney)等。按遗传方式可分为婴儿型多囊肾与成人型多囊肾(表7 - 2 -。成人型多囊肾的患者可合并有肝的多囊性改变及颅内 ......