Endemic goiter is clustered occurrences of goiter affecting more than 10% of the population in particular regions. The majority cases are attributed to environmental factors such as iodine deficiency, or food and water containing goiter-causing agents called goitrogens. We report a new type of endemic goiter where the basic abnormality was not due to environment factors, but to thyroglobulin ge...

in order to investigate goiter prevalence in boyer-ahmad, an iranian tribal province, 87 families were randomly selected in yasuj township and doruhan county. clinical examination of the subjects disclosed 95% of females and 87% of males over 6 years of age to be goitrous. grade 2 goiter had the highest prevalence among females. in males grade 1 b was the most prevalent. hormonal studies on a s...

The thyroid gland is dependent on dietary iodine for the production of thyroid hormones, normal iodine requirement being about 150-200 microg/day. Long-term deficiency in iodine intake is associated with the development of goiter. When the prevalence of goiter in a population rises above 5-10%, the problem is considered endemic. Greece is a country with a recent history of moderate iodine defic...

377 patients with single thyroid nodule who clinically were candidates for surgery, were selected from the patients that referred to the clinics of endocrinology at namazee hospital, shiraz medical school. fine needle aspiration (fna) was carried out without performing thyroid scan and the results were compared with histology obtained by surgery to establish its accuracy in our center. which is...

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This work focuses on the medical condition known as endemic goiter considering its epidemiological aspects and its interest in Public Health. After delimiting some basic concepts, one will refer to the implications that the shortage of the daily ingestion of iodine, which is the main etiology of the affection in question, brings to the normal physical, mental and social development of the human...

BACKGROUND Iodine deficiency has been identified as a significant public health problem in Iran. The main strategy for controlling iodine deficiency was nationwide salt iodination. Over 10 years after starting this program, goiter is still endemic in school children. Iron deficiency may have interfered with the iodine intervention program. The objective of the present study was to evaluate the ...

Maximum serum thyroxine (T4) and triiodothyronine (T3) levels of healthy calves were seen at 1 day after birth, and thereafter rapidly decreased until 5 days after birth. They stabilized until 2 weeks after birth, then gradually decreased until 4 weeks after birth. Serum T4 levels of calves with endemic goiter tended to be lower than those of healthy ones, but showed similar levels to those of ...