<prompt> A 25 year old boy presents with renal failure. His uncle died of renal failure three years ago. Slit lamp examination reveals Lenticonus Keratoconus. The likely diagnosis is:Autosomal Dominant Polycystic Kidney ADPCKDAutosomal Recessive polycystic kidney ARPCKDAlpos syndromeDenysh-Drash Syndrome  <response>: Answer is C Alpos syndrome Association of Renal failure with Lenticonus Keratoconus with a positive family history suggests a diagnosis of Alpos syndrome. 