A non-hereditary KIDNEY disorder characterized by the abnormally dilated (ECTASIA) medullary and inner papillary portions of the collecting ducts. These collecting ducts usually contain CYSTS or DIVERTICULA filled with jelly-like material or small calculi (KIDNEY STONES) leading to infections or obstruction. It should be distinguished from congenital or hereditary POLYCYSTIC KIDNEY DISEASES.
Also Known As:
Cacchi Ricci Disease; Cacchi-Ricci Syndrome; Kidney, Sponge; Precalyceal Canalicular Ectasia; Cacchi Ricci Syndrome; Canalicular Ectasia, Precalyceal; Canalicular Ectasias, Precalyceal; Disease, Cacchi Ricci; Ectasia, Precalyceal Canalicular; Ectasias, Precalyceal Canalicular; Kidneys, Sponge; Medullary Sponge Kidneys; Precalyceal Canalicular Ectasias; Ricci Disease, Cacchi; Sponge Kidney; Sponge Kidney, Medullary; Sponge Kidneys; Sponge Kidneys, Medullary; Syndrome, Cacchi-Ricci