hrp0097p1-389 | Thyroid | ESPE2023

Long-term follow-up of congenital hypothyroidism and predictors of permanent congenital hypothyroidism

Yang Jaejin , Yu Jeesuk

Purpose: Congenital hypothyroidism (CH) is a state in which thyroid hormones are insufficient at birth. This condition may last for a lifetime or may be transient. Due to the universal newborn screening test, almost all newborns are being screened for thyroid function in Korea. The study was aimed to see the predictors of transient congenital hypothyroidism with long-term follow-up of more than 3 years of CH in a single tertiary center.<...

hrp0094p2-447 | Thyroid | ESPE2021

Incidentally detected papillary thyroid cancer with elevated calcitonin in a 15 year-old female: A case report

Yang Jaejin , Lee Wonae , Yu Jeesuk

Thyroid cancer in children is not common but there is a tendency to increase requiring early suspicion and close monitoring of thyroid nodule. Papillary thyroid cancer (PTC) is the most common type of thyroid cancer and medullary thyroid cancer (MTC) is rare, MTC can be suspected if there is elevated calcitonin level. A 15-year-6-month-old girl was admitted for generalized tonic seizure with fever. Initial Brain MRI showed a small oval diffusion restriction lesion in the midli...

hrp0095p2-314 | Late Breaking | ESPE2022

A case of permanent congenital hypothyroidism with NKX2-1 mutation and optic nerve thickness

Yang Jaejin , Yeong Chung Woo , Hwan Oh Seung , Hun Seo Go , Rye Kim Jeong , Yu eesuk

Congenital hypothyroidism can be caused by the wrong formation of the thyroid gland or the defect in the synthesis of thyroid hormone. Among the candidate genes, defect in the gene NKX2-1 can be presented as thyroid, lung, or brain dysfunction. An eight-year-old boy was diagnosed as congenital hypothyroidism at the age of 16 days. He was referred to our Pediatric Endocrinology Clinic due to elevated TSH level (36.28uIU/mL). Serum total T3 and free T4 were 125 ng/dL an...