Endemic goiter--an update.

Effect of Iodine Deficiency on IQ of Apparently- Normal School Children of an Area of Endemic Goiter

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...

An Abattoir Study of Ovine Maternal and Fetal Thyroid Lesions and the Respective Serum T3 andT4 Levels in an Endemic Goiter Region in Iran

The objectives of the present study were to investigate the prevalence of histologic thyroids lesions and the respective thyroid hormones changes of ewes in an endemic goiter region and to find out any impact of this condition on the fetal thyroid structures and serum thyroid hormones. In the present study a total number of 100 pregnant ewes and their fetuses slaughtered at slaughterhouse were...

EFFECT OF IODINE DEFICIENCY ON I.Q.LEVELS OF APPARENTLY NORMAL INHABITANTS OF AN ENDEMIC GOITER AREA

ENDEMIC GOITER IN BOYER-AHMAD

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 o...

The role of iodine in the evolution of thyroid disease in Greece: from endemic goiter to thyroid autoimmunity.

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...