| It is generally believed that primary hypothyroidism in adults is the sequel of autoimmuneatropic thyroiditis, also there are many studies which have show high prevalence ofhypothyroidism in association with endemic goiter. However there are no data available onprimary hypothyroidism in adults from this area. The aim of this study is to identify prevalence ofhypothyroidism in Salahaddin Province. The record of patients of primary hypothyroidism seen atTikrit General hospital in Salahaddin over a period of four-years (Jan. 1996-Dec.1999) wereanalyzed. Hormonal investigation like T3, & T4 & TSH (thyroid stimulating hormone). 62patients with spontaneous primary hypothyroidism out of which 47 females and 23 males , overallmale to female ratio was 1:2, a proximately 60 %of the patients presented in the third and fourthdecades. Hormonal data analysis revealed that one third of patient had low T3, low T4 andelevated T.S.H. 40% of patients had normal T3, low T4 and elevated T.S.H and about 28% ofpatients had normal T3, T4 but elevated TSH. Salahaddin province has a significant environmentaliodine deficiency, & this may lead to preponderance of this condition in these population.Key words: T3, T4, TSH, sign, symptoms, hypothyroidism. |