Medical infrared thermal imaging of cats with hyperthyroidism

To determine the usefulness of medical infrared thermal imaging (MITI) as a screening tool for hyperthyroidism in cats, evaluate the need for hair clipping over the ventral aspect of the neck to achieve optimal images, and determine whether there is a change in thermal patterns at 1 and 3 months aft...

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Veröffentlicht in:American journal of veterinary research 2015-01, Vol.76 (1), p.53-59
Hauptverfasser: Waddell, Robert E, Marino, Dominic J, Loughin, Catherine A, Tumulty, Joshua W, Dewey, Curtis W, Sackman, Joseph
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container_issue 1
container_start_page 53
container_title American journal of veterinary research
container_volume 76
creator Waddell, Robert E
Marino, Dominic J
Loughin, Catherine A
Tumulty, Joshua W
Dewey, Curtis W
Sackman, Joseph
description To determine the usefulness of medical infrared thermal imaging (MITI) as a screening tool for hyperthyroidism in cats, evaluate the need for hair clipping over the ventral aspect of the neck to achieve optimal images, and determine whether there is a change in thermal patterns at 1 and 3 months after radioactive sodium iodide I 131 treatment. 17 cats with and 12 control cats without hyperthyroidism. All cats underwent MITI first with the hair present and then after the hair was clipped. Each cat with hyperthyroidism was subsequently appropriately treated SC with radioiodide; reevaluations, including MITI before and after hair clipping and measurement of serum thyroxine concentration, were performed 1 and 3 months after treatment. The MITI had 80.5% and 87.5% accuracy in differentiating hyperthyroid cats from clinically normal cats before and after the hair over the ventral aspect of the neck was clipped. Among cats with an initial serum thyroxine concentration > 4.0 μg/dL, the success rate for MITI-detected response to radioiodide treatment at the 1-month reevaluation was 92.86% in unshaved cats and 85.71% in shaved cats. The success rate for MITI-detected response to radioiodide treatment at the 3-month reevaluation was 100% in unshaved and shaved cats. Results indicated that MITI was successful in differentiating between hyperthyroid cats and clinically normal cats and identifying patients with thyroxine concentration within reference interval after radioactive sodium iodide I 131 treatment.
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subjects Animals
Cat Diseases - blood
Cat Diseases - diagnosis
Cat Diseases - radiotherapy
Cats
Female
Hyperthyroidism - diagnosis
Hyperthyroidism - veterinary
Image Interpretation, Computer-Assisted
Infrared Rays
Iodine Radioisotopes - therapeutic use
Male
Preoperative Care - veterinary
Thyroxine - blood
title Medical infrared thermal imaging of cats with hyperthyroidism
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