Endocrine Abstracts

Background: Hypothyroidism is defined as an elevated TSH (thyroid-stimulating hormone) and/or decreased free thyroxine (FT4) levels. Levothyroxine is now one of the most widely prescribed medications. However, treatment indications are controversial in subclinical hypothyroidism, defined as high TSH with normal T4 levels. Methods: We performed a cross-sectional study reviewing the blood samples received in our Laboratory for TSH determination during the ...