Objective: It is reported that the first tests to evaluate thyroid functions in the guidelines of American Thyroid Association (ATA), American Association of Clinic Endocrinologs (AACE) and Turkey Endocrinology and Metabolism Association are thyroid stimulated hormone (TSH)...

Aim: Cross-reactivity in immunological techniques varies and the frequency depends on the population of the study, technique for detecting the reaction and researchers method. In this study our aim was to evaluate the cross-reactivity in thyroid function tests.

Objective: Thyroid function tests (TFT) are the most frequently requested endocrine tests from clinical laboratories. Although the guidelines published by the American and British Thyroid Associations suggest the use of thyroid stimulating hormone (TSH) as a first step test...

Objective: Thyroid function, influenced by age and sex, provides important epidemiological information when evaluated at the population level. This study aimed to investigate age- and sex-related differences in thyroid-stimulating hormone (TSH), free triiodothyronine (fT3),...

Objective: The relationship between thyroid dysfunction and depression remains controversial. Aim of this study was to evaluate the clinical usefulness of the routinely requested thyroid function tests for the psychiatric out patients admitted with the diagnosis of...

Objective: Vitiligo is an acquired depigmentation disorder occurs with destruction of melanocytes, a common skin disease. Although many theories have been suggested for its pathogenesis, the role of autoimmunity is the most popular one. It is known the increased prevalance of...

Aim: Diagnosis and treatment of thyroid disorders are essential for a healthy pregnancy. Physiologic changes that occur during pregnancy affect the functioning of the thyroid gland and thyroid function tests. The aim of this study was to determine the reference ranges of...

Aim: Thyroid hormone tests show circadian rhythm. In this study we investigated the changes of Thyroid Stimulating Hormone (TSH) and free Thyroxine (fT4) test results in apparently healthy individuals and thyroid hormone replacement patients at different times of the...

Objective: Thyroid function tests (TFT) are one of the most frequently requested biochemical parameters by clinicians and can be requested at any time of the day. For this reason, we evaluated the effects of diurnal variation and fasting-satiety status on TFT in order to...

Aim: Polycystic ovarian syndrome (PCOS) is a multifactorial disorder with different phenotypic characteristics, the most frequent endocrine disorder in women, and the leading cause of anovulatory infertility. Kisspeptin is recognized to have a crucial function in regulating...