A 38-year-old man presented to the hospital with pulsatile right-sided back and side pain that had been radiating to his groin for the past three hours. He was sitting on his couch at home when the pain began, and it has gotten progressively worse. There's no history of recent trauma. Examination Temperature - 98.6°F (37°C) Pulse - 78 beats/min Respirations - 16 breaths/min Blood pressure - 138/84 mm Hg Investigation Serum calcium –11.2 mg/dL Serum phosphate – 12 U/L Urine analysis – Microscopic hematuria The patient rates the pain as a 9 on a 10-point scale.

An abdominal CT – Calcification within the kidney parenchyma bilaterally in addition nephrolithiasis What's your diagnosis? *This image-based case is from the Docplexus Editorial Team for educative purposes only. Take a two-minute survey on "Lomitapide for HoFH".