A 42-year-old man with known autosomal dominant polycystic kidney disease (PCKD) has presented to the ED with flank pain.

1. List (4) differential diagnoses for his pain that relate to his underlying disease. For each, provide a (2) supportive findings on assessment (history, examination or investigation). (8 marks) 8 marks

2. List (4) extra-renal conditions associated with autosomal dominant PCKD (4 marks) 4 marks