Renal Function Scan Click for full image (67k).

• determine relative renal function in patients with assymetric renal disease
• evaluate the vascular supply to the kidneys in patients with renal trauma, dissecting aneurysm and other disorders
• determine renal morphology and function in patients patients with allergy to xray contrast media

• Ureteropelvic or ureterovesical obstruction
• Post-surgical evaluation of a previously obstructed system
• Distention of pelvicalyceal system as a etiology of back pain

Renal Scan Click for full image (66k).

• abrupt or severe hypertension
• hypertension resistant to medical therapy in a compliant patient
• abdominal or flank bruits
• unexplained azotemia in an elderly hypertensive patient
• worsening renal function during therapy with ACE inhibitors
• grade 3 or 4 hypertensive retinopathy
• occlusive disease in other vascular beds
• onset of hypertension in under age 30 or over age 55

• acute pyelonephritis
• renal scarring
• relative functioning renal mass
• solitary or ectopic renal tissue
• horseshoe or pseudohorseshoe kidneys
• allergy to iodinated contrast agents

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