the potential of dynamic gadolinium diethylenetriaminepentaacetic acid ( dtpa ) -enhanced magnetic resonance ( mr ) imaging for the examination of obstructive nephropathy was analyzed in 27 subjects ( five healthy subjects , seven patients with dilated nonobstructed kidneys , six patients with acute obstruction , and nine patients with chronic obstruction ) with use of a 1.5-t magnet .
C0149939
obstructive nephropathy
C0022646
kidneys