All issues > Volume 38(6); 1995

Case Report

J Korean Pediatr Soc. 1995;38(6):863-866. Published online June 15, 1995.

A Case of Hyperthyroidism Following Primary Hypotyroidism

Han Sung HS Cho¹, Hwang Jae HJ Yoo¹, Sang Ook SO Park¹, Jae Hong JH Park¹, Su Young SY Kim¹

¹Department of Pediatrics, Pusan University College of Medicine, Pusan, Korea

Abstract

A 9-year-old girl presented with primary hypothroidism have been followed by the development of hyperthyroidism. The diagnosis of primary hypothyroidism had been made by clinical manifestation, elavated serum thyroid-stimulating hormone level, antithyroglobulin antibody and antimicrosome antibody. Five and a quarter years later, the diagnosis of hyperthyroidism had been made by clinical maifestation such as enlargemetn of thyroid gland, tahcycardia, increased serum triiodothyronine, free thyroxine levels, radioactive iodine eptake and thyroid stimulating antibody. Now, this patent have been treated by propylthiouracil 100mg/24hours, shwing normal hormonal function of thyroid gland. Conclusively, We must observe it during follow up period that primary hypothroidism caused by autoimmune thyroiditis was not continued, but could progress hyperthyroidism.

Keywords :Primary hypothyroidism, Spontaneous hyperthyroidism