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Related Experiment Videos

The normal 99mTc-DMSA renal image.

M J Daly, J Milutinovic, T G Rudd

    Radiology
    |September 1, 1978
    PubMed
    Summary
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    Technetium-99m dimercaptosuccinic acid (DMSA) provides high-quality renal imaging. This study establishes normal values for renal size and radioactivity distribution using 99mTc-DMSA, confirming its excellence as a renal parenchymal agent.

    Area of Science:

    • Nuclear medicine
    • Radiopharmacology
    • Renal imaging

    Background:

    • Technetium-99m dimercaptosuccinic acid (99mTc-DMSA) is a novel agent for renal imaging.
    • Establishing normal reference values is crucial for accurate interpretation of renal scans.

    Purpose of the Study:

    • To determine normal renal size and radioactivity distribution using 99mTc-DMSA.
    • To evaluate optimal imaging techniques for 99mTc-DMSA in normal subjects.
    • To establish 99mTc-DMSA as a reliable renal parenchymal imaging agent.

    Main Methods:

    • Review of renal images from 194 normal subjects administered 99mTc-DMSA.
    • Measurement of normal renal size (posterior length).
    • Quantification of renal radioactivity to assess functioning tubular mass.

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    Main Results:

    • Images obtained with 99mTc-DMSA were consistently of high quality.
    • Average normal renal size (posterior length) was 11.5 +/- 1 cm.
    • Renal radioactivity was equally distributed between the left and right kidneys.

    Conclusions:

    • 99mTc-DMSA is an excellent agent for imaging the renal parenchyma.
    • The established normal values provide a benchmark for clinical interpretation.
    • Optimal imaging techniques were confirmed for this new renal agent.