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School of Medicine and Medical Sciences, University College Dublin, Dublin 4, Ireland
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School of Medicine and Medical Sciences, University College Dublin, Dublin 4, Ireland
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School of Medicine and Medical Sciences, University College Dublin, Dublin 4, Ireland
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School of Medicine and Medical Sciences, University College Dublin, Dublin 4, Ireland
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School of Medicine and Medical Sciences, University College Dublin, Dublin 4, Ireland
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Introduction Thyroid nodules are a common finding in the general population with estimates of up to 50% of the population having a sonographically detectable thyroid lesion [ 1 ]. Only 5% of these are malignant, and the use of fine needle
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Introduction Hyperthyroidism is a pathological state characterized by excessive thyroid hormone (TH) action in the body. Classical clinical features include anxiety, nervousness, tremor, weight loss and heat intolerance, which are often
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Instituto de Investigação e Inovação em Saúde (I3S), Universidade do Porto
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Instituto de Engenharia Biomédica (INEB), Universidade do Porto, Porto
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Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto
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Serviço de Endocrinologia, Instituto Português de Oncologia de Lisboa, Francisco Gentil, Lisbon, Portugal
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Introduction Malignant thyroid tumors provide a good model to study the mechanisms underlying the metastatic process. The most prevalent thyroid tumors are papillary (PTC) and follicular (FTC) carcinomas. Although both originate from
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What Is Known about This Topic So Far? • Although many authors recommend a core-needle biopsy as an alternative modality in cases of inconclusive cytology with fine-needle aspiration for thyroid nodule, it is not in the American Thyroid
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Introduction The thyroid tubercle of Zuckerkandl (TZ) (fig. 1 , 2 ) is an important landmark in thyroid surgery, which was first described by the Viennese anatomist, Emil Zuckerkandl, in 1902 [ 1 ]. This structure is usually present as a
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Introduction The thyroid follicle is the functional structure responsible for thyroid hormone biosynthesis, storage and secretion (fig. 1 ). Follicular thyroid cells are polarized and specialized in the production of thyroxine (T4) and 3
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especially true in the first weeks of life, as the developing foetus does not develop a functioning thyroid until about 18- to 20-week gestation during which time it is totally dependent on the mother to produce thyroid hormones necessary for growth and
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Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, Athens, Greece
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gastrointestinal tract; however, other organs may also be affected. A prerequisite for the occurrence of MALT lymphoma is abundance of lymphoid tissue in the affected organ; therefore, it is usually seen in the salivary gland, the thyroid, the eye, the skin, and
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German Rheumatism Research Center, Berlin, Germany
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Institute for Clinical Chemistry, Interdisciplinary University Laboratory, University Medicine Göttingen, Göttingen, Germany
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variations. For example, individual urinary iodine excretion levels vary strongly from day to day and during the day because they mainly depend on previous food intake [ 2 ]. Diurnal and seasonal variations have also been reported for thyroid hormone levels
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Introduction Congenital hypothyroidism (CH) represents the most common congenital endocrine disorder in humans affecting approximately 1 of 2,000-4,000 live births [ 1 , 2 ]. The majority of CH cases are due to thyroid dysgenesis (TD), which