“…Fifty such frames are usually collected, and followed by parenchym al images at 2, 5 and 10 min or longer. We have also found the technique useful in assessing parenchymal involvement in absecesses and particularly renal carbuncles (O'Reilly et al 1980). Thus, the vascular or avascular qualities can be assessed after urography by a simple, noninvasive lO-min procedure.…”