<prompt> Not true about polycystic kidney disease is :Autosomal dominantProteinuria 2gmdayLeads to CRFDecompression of cyst leads to normal renal function  <response>: Ans is d ie decompression of cyst leads... Decompression or uncapping of cysts Rovsings operation is of no use in preserving the renal function.Polycystic kidney disease Is of 2 types:Adult PKD inheritance is ADDisease manifests itself in adult life.Infantile PKD inheritance is ARDisease manifests in infancy as severe renal failure and life expectancy is short.Adult PKDAlmost always bilateral 95Disease ordinarily does not manifest itself before 40 yr of age.Pts. of APKD have increased frequency of cysts in liver 30, Pancreas Spleen ovaries berry aneurysm of cerebral arteries.Pathology -the kidney is enlarged 3 to 4 times.It is studded all over with cysts.Cysts are distributed evenly throughout the cortex medulla.Content of the cyst varies but its not urine.Renal tissue is progressively replaced by cysts leading to CRF.Clinical PresentationMassPainHypertension 70 to 80 of casesHematuriaInfectionUremiaUrine examination high output of urine, low specific gravity.It may contain traces of albumin.It ultimately leads to CRF and renal transplantation is the only definite tt. 