This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
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: 
Select and explain. 
A. Autosomal Dominant Polycystic Kidney (ADPCKD), B. Autosomal Recessive polycystic kidney (ARPCKD), C. Alpo's syndrome, D. Denysh-Drash Syndrome
C: Alpo's syndrome
Answer: C: Alpo's syndrome 
Explanation: Answer is C (Alpo's syndrome) Association of Renal failure with Lenticonus / Keratoconus with a positive family history suggests a diagnosis of Alpo's syndrome.