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    J Feline Med Surg. 2002 Sep;4(3):139-43.

    Relationship between semi-quantitative thyroid palpation and total thyroxine concentration in cats with and without hyperthyroidism.

    Norsworthy GD, Adams VJ, McElhaney MR, Milios JA.

    Alamo Feline Health Center, San Antonio, TX 78232, USA.

    Comment in:

    In 155 cats, both with and without clinical signs of hyperthyroidism, total thyroxine (TT4) concentrations were compared to a sensitive, semi-quantitative thyroid palpation technique. On the basis of TT4 concentrations, 23 of the 155 cats were classified as hyperthyroid. The size of individual thyroid glands was scored between '0' (non-palpable) and a maximum of '6'. One or more enlarged thyroid glands (score >0) were palpated in 22 of the 23 hyperthyroid cats and in 78 of the 132 euthyroid cats. However, none of the 132 euthyroid cats had a thyroid lobe score of greater than '3' whereas 18 of the 23 hyperthyroid cats had a thyroid lobe score of '4' or greater, and in two of the five that had scores below '4' there was evidence of intrathoracic functional thyroid tissue on scintigraphy. Copyright 2002 ESFM and AAFP

    PMID: 12360952 [PubMed - indexed for MEDLINE]

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    Patient drug information

    • Thyroid (Armour® Thyroid)

      Thyroid is a hormone produced by the body. When taken correctly, thyroid is used to treat the symptoms of hypothyroidism (a condition where the thyroid gland does not produce enough thyroid hormone). Symptoms of hypothyr...

    • Levothyroxine (Levothroid®, Levoxyl®, Synthroid®, ...)

      Levothyroxine, a thyroid hormone, is used to treat hypothyroidism, a condition where the thyroid gland does not produce enough thyroid hormone. Without this hormone, the body cannot function properly, resulting in poor g...