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  • Title: Kidney scintigraphy with 99mTc-DMSA and 131I-hippurate.
    Author: Holten I, Storm HH.
    Journal: Scand J Urol Nephrol; 1979; 13(3):275-81. PubMed ID: 231303.
    Abstract:
    43 patients underwent an extended scintigraphic procedure with 99mTc-dimercaptosuccinylic acid in order to investigate its proper use for diagnosing morphological and functional kidney abnormalities. The group was comprised of patients without renal disease, and patients with diffuse parenchymal disease, obstructive uropathy, renal cysts and renal tumors. The study was followed by 131I-hippurate renography. We propose a simplified routine procedure with scintiphotos taken 10-15 min after injection for topographic information and 120 min after injection for renal morphology. This procedure allows excellent case finding of diffuse parenchymal disease of a special value in cases of radiological non-visualization. The technique is indicated, when iodine contrast media cannot be used for radiological examinations. DMSA studies, however, do not allow safe functional evaluation in all categories of patients. Neither can obstructive nephropathy be diagnosed unless the renal pelvis is dilated. Renal perfusion studies are contaminated by the perfusion of liver and spleen. Nevertheless, a tentative differentiation between cysts and tumours is possible, the former being hypoperfused the latter hyperperfused. When supplemented with gamma camera 131I-hippurate renography, the total scintigraphic procedure will also include split function determination and run-off evaluation.
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