Differential uptake of Tc-99m DMSA and Tc-99m EC in renal tubular disorders: Report of two cases and review of the literature

Tc-99m DMSA and Tc-99m EC studies are invaluable functional imaging modalities for renal structural and functional assessment. Normally, the relative renal function estimated by the two methods correlates well with each other. We here present two patients with renal tubular acidosis who showed impai...

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Bibliographic Details
Published in:Indian journal of nuclear medicine 2014-07, Vol.29 (3), p.160-162
Main Authors: Reddy Gorla, Arun Kumar, Agrawal, Kanhaiyalal, Sood, Ashwani, Bhattacharya, Anish, Mittal, Bhagwant Rai
Format: Article
Language:English
Subjects:
Case Report
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Summary:Tc-99m DMSA and Tc-99m EC studies are invaluable functional imaging modalities for renal structural and functional assessment. Normally, the relative renal function estimated by the two methods correlates well with each other. We here present two patients with renal tubular acidosis who showed impaired/altered DMSA uptake with normal EC renal dynamic study depicting the pitfall of DMSA imaging in tubular disorders. The two presented cases also depict distinct pattern of Tc-99m DMSA scintigraphic findings in patients with proximal and distal renal tubular acidosis, thus highlighting the factors affecting DMSA kinetics.
ISSN:0972-3919
0974-0244
DOI:10.4103/0972-3919.136571