<prompt> Which of the following statements is wrong regarding adult polycystic kidney disease?Kidneys are enlarged in sizeThe presentation is unilateralPatients tend to have external congenital anomaliesMitral valve prolapse may be there  <response>: Autosomal Dominant Adult Polycystic Kidney Disease Hereditary disorder Multiple expanding cysts of both kidneys that leads to destruction of renal parenchyma. Bilateral. Gross appearance : The kidneys are bilaterally enlarged and weighs as much as 4 kg each. Microscopic examination: Functioning nephrons dispersed between the cysts. Individuals with polycystic kidney disease also tend to have extra-renal congenital anomalies. Mitral valve prolapse 