Fig. 4From: Negative renal angiography with subsequent denied angioembolization: findings in a series of 180 patients at a tertiary interventional uroradiology unitAxial non-contrast computed tomography imaging of a 45-year-old male patient with a perinephric haematoma after percutaneous nephrolithotomy showing a large perinephric haematoma related to the left renal upper pole associated with parenchymal laceration (A). Selective left renal angiography using a cobra head catheter revealed normal intrarenal arteries with no vascular lesions (B)Back to article page