Abstract
Thirty-two children who underwent renal arteriography with normal results also underwent technetium-99m dimercaptosuccinic acid (DMSA) imaging. Variations in the normal appearance of 99mTc-DMSA images are described in these children. Criteria for high-quality 99mTc DMSA images are defined in terms of kidney outline and contrast between the inner and the outer part of the kidney. Most of the images in this study were of high quality. The two most common features of normal 99mTc-DMSA images were a round-shaped (50%) or flat (either lateral or medial aspect) (24.8%) contour. A small number of unusual appearances were observed and these have been illustrated. The mean differential function of the left kidney was 51% with a range of 45%-57%.
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