3.2 Investigations
Laboratory work up revealed mild hypernatremia and elevated creatinine which was gradually subsiding to baseline attributed to contrast associated nephropathy. He came with abdominal ultrasound showing renal parenchymal disease and AAA which was confirmed with a contrast enhanced abdominal CT that showed a thrombosed saccular infra-renal AAA measuring 5.4 cm in its maximum transverse diameter with mass effect and stenosis of the left renal artery, small smooth left kidney with delayed enhancement and excretion secondary to left renal artery stenosis. Chest x-ray was unremarkable.