Endocrine Abstracts

Objective: All neonates should be screened for congenital hypothyroidism in the first week of their lives. To evaluate the reliability of thyroid function tests in neonates who undergo exchange transfusion (ET), we decided to study the alteration of thyroid hormones after ET in term neonates.Method: From April 2001 to August 2001, eighteen full term neonates (gestation age > 37 weeks) undergoing ET due to hyperbilirubinemia at neonatal wards of Al-Zahra and Shahid-Beheshti...

Osteoporosis is one of the most common bone diseases whose complications, morbitidy and mortality impose direct and indirect expenses. Vitamin-D is one of the most important factors in calcium absorption for bone formation. In this study we have evaluated vit-D level and other calcium metabolism indicators in urban population of Tehran.In a cross-sectional study in winter 2001, 1231 normal persons; 20-69 years, 502 male and 724 female, among urban popula...

Introduction: One of the major causes of deaths in pediatric patients is malignancy. Radiotherapy, which is one of the protocols used in their treatment, may have some disadvantages such as impairing thyroid function. Considering these facts, we decided to determine the incidence of post radiotherapy hypothyroidism in pediatric patients with malignancy.Methods: In a cross-sectional study 180 patients ranging in age from 1 to 20 years old who survived fr...