Canadian Medical Guide > Diseases > Neoplasms > Cysts > Kidney, Cystic Terms and Definitions

Kidney, Cystic

Medical Definition:	A kidney containing one or more cysts, including polycystic disease (KIDNEY, POLYCYSTIC), solitary cyst, multiple simple cysts, and retention cysts (associated with parenchymal scarring). (Stedman, 25th ed)
Guide Notes:	non-neoplastic; differentiate from KIDNEY, POLYCYSTIC; /blood supply /chem /secret /ultrastruct permitted

Kidney, Cystic Categories.

	Kidney, Sponge - 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.
	Multicystic Dysplastic Kidney - A severe form of dysplasia where the kidney typically appears as a bunch of grapes without a reniform configuration or calyceal drainage system. It occurs in-utero and is the most common form of nongenetic renal cystic disease.
	Polycystic Kidney Diseases - Diseases that are characterized by the progressive expansion of a large number of tightly packed cysts within the kidney.

Kidney, Cystic Medical Definitions and Terms

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