Fig. 1.

62-year-old male with renal arteriovenous malformation. Findings: Maximum intensity projection, in axial plane of CT renal angiography in arterial phase demonstrating aneurysmal dilatation of segmental branch (arrowhead) of main renal artery (black arrow) with early opacification of renal vein (white arrow) suggestive of arteriovenous malformation. Technique: Scanner: Siemens Somatom sensation 64, 200Eff mAs, 120 kV, slice thickness 10mm, intravenous contrast: 100 ml Omnipaque 350 mg/dl.