The cortical distribution differs from infantile polycystic renal disease (IPCD), where dilatation of the collecting tubules results in numerous cysts in cortex and medulla.

• 其在肾皮质分布上不同于婴儿多囊病(IPCD)，婴儿多囊病是在集合小管部位囊状扩张，从而导致很多的囊肿出现在肾皮质和髓质。