Cancer Institute A national cancer institute
designated cancer center

Iain McDougall

Publication Details

  • Thyroid Stunning: Fact or Fiction? SEMINARS IN NUCLEAR MEDICINE McDougall, I. R., Iagaru, A. 2011; 41 (2): 105-112

    Abstract:

    Stunning of thyroid tissue by diagnostic activities of (131)I has been described by some investigators and refuted by others. The support both for and against stunning has at times been enthusiastic and vigorous. We present the data from both sides of the debate in an attempt to highlight the strengths and deficiencies in the investigations cited. Clinical, animal, and in vitro studies are included. There are considerable differences in clinical practice, such as the administered activity for diagnostic whole-body scan, delay between diagnostic scan and treatment, time between treatment and posttherapy scanning, and timing of follow-up studies, that have to be analyzed with care. Other factors that often cannot be judged, such as levels of thyroid-stimulating hormone and serum iodine at time of diagnostic testing versus treatment could have an influence on stunning. Larger diagnostic doses and longer delays to therapy appear to increase the likelihood of stunning. The stunning effect of early-absorbed radiation from the therapy should also be considered.

    View details for DOI 10.1053/j.semnuclmed.2010.10.004

    View details for Web of Science ID 000287263600006

    View details for PubMedID 21272684

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