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Sponge Kidneys

《英文msh詞典》Sponge Kidneys
[入口詞] Sponge Kidneys
[主題詞] Kidney,Sponge
[英文釋義] Cystic disease of the medullary portion of the renal pyramids; asymptomatic unless complicated by infection,calculi,or obstruction; should be distinguished from congenital polycystic disease of the kidneys.