introduction: intra-thoracic goiter refers to the extension of enlarged thyroid tissue into the thoracic inlet. this condition can produce symptoms of compression on adjacent organs and can sometimes be accompanied by malignant transformation. therefore surgical treatment is almost always necessary. in order to remove the pathology with the fewest post-operative complications, selection of the ...

"Forgotten" goiter is an extremely rare disease which is defined as a mediastinal thyroid mass found after total thyroidectomy. The authors report their experience of 7 cases of residual mediastinal goiter after total thyroidectomy for substernal goiter. Six patients were female and one male with a median age of 56 years (range: 25-70 years). Four patients were asymptomatic, 2 patients showed s...

Objective. It has been testified that iodine regulates thyroid function by controlling thyroid-restricted genes expression and is closely related to diffuse goiter and thyroid dysfunction. However, the effects of follicular lumen iodine, the main form of iodine reserve in the body, on thyroid-restricted genes in nodular goiter are poorly understood. In this study, correlations between follicula...

backgrounds: iodine deficiency disorder is a major public health problem in areas where there is a lack of iodine in drinking water, soil, and food. this study was carried out to assess the prevalence of goiter among school children in the age group of 6-10 years in khorramabad city. also, the level of urine iodine was evaluated.   methods: the study was conducted from january 2012 to january 2...

the study was conducted to determine the prevalence of goiter and hypothyroidism in two groups of the population at various stages of social development and to determine its association with malnutrition and dietary intake. aboriginal inhabitants (orang asli), a resettlement rural village (betau post), a traditional village in the jungle (lanai post) and a modern village settlement near kuala l...

background : iodine deficiency produces the spectrum of iodine deficiency disorders (idds) including endemic goiter, hypothyroidism, cretinism and congenital anomalies. other factors, including goitrogens and micronutrient deficiencies may influence the prevalence and severity of idds and response to iodine supplementation. an ssociation between zinc and goiter has previously been reported. met...

SUMMARY Different degrees of neurological and psychological problems are observed in endemic goiter inhabitants. To determine the effect of iodine deficiency on IQ, we checked the IQ and size of the thyroid of 194 students of an endemic goiter area and compared with that of 224 students of a non-endemic goiter area in Kohkiloyeh & Boyer Ahmad province. The average IQ of students in endemic goi...

Substernal goiter is usually defined as a goiter in which the thyroid mass has descended the plane of the thoracic inlet or if more than 50% of the thyroid mass is located below the thoracic inlet. Substernal goiters may be asymptomatic or may present with symptoms caused by compression of adjacent organs. Acute respiratory failure is rare in cases of substernal goiter. In cases of symptomatic ...