Evaluation of Thyroid to Background Ratios and Comparison of Various Scintigraphic Measurements and Their Correlation to Serum T4 in Hyperthyroid Cats.

@article{Bettencourt2016EvaluationOT,
  title={Evaluation of Thyroid to Background Ratios and Comparison of Various Scintigraphic Measurements and Their Correlation to Serum T4 in Hyperthyroid Cats.},
  author={Ann E Bettencourt and Gregory B Daniel and David L. Panciera and Marti Larson and Stephen Rakem Werre},
  journal={Veterinary radiology & ultrasound : the official journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association},
  year={2016},
  volume={57 3},
  pages={290-8}
}
Thyroid-to-salivary ratio and percent dose uptake are the most widely recognized scintigraphic measurements. Recently, the thyroid-to-background ratio has been proposed as an alternate method. However, this method has not been validated. The purpose of this observational, cross-sectional, prospective study was to determine the location of a background region of interest (ROI) that is most reflective of blood pool activity. We also hypothesized that the thyroid-to-background ratio using this… CONTINUE READING
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