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Updated: Jan 11, 2026

Author Spotlight: Integrating Ultrasound Imaging with Biochemical Markers for Thyroid Disease Diagnosis
Published on: February 9, 2024
Evaluation of Transient or Permanent Congenital Hypothyroidism
Selim Kurtoğlu1, Osman Baştuğ2, Ahmet Özdemir2
1Department of Pediatric Endocrinology, Memorial Kayseri Hospital, Kayseri, Türkiye.
Insights
Congenital hypothyroidism, a common childhood endocrine disorder, requires prompt screening and treatment. This review examines publications on managing and reevaluating thyroid function in newborns to distinguish permanent from transient cases.
Area of Science:
- Pediatrics
- Endocrinology
- Neonatal screening
Background:
- Congenital hypothyroidism is a prevalent endocrine disorder in children.
- Neonatal screening for congenital hypothyroidism in Türkiye began in 2007, using a Thyroid Stimulating Hormone (TSH) cutoff of 5.5 mU/L.
- Initial treatment is mandated within the first 14 days of life.
Purpose of the Study:
- To review existing literature on congenital hypothyroidism.
- To discuss the reevaluation process for determining permanent versus transient congenital hypothyroidism.
- To synthesize current knowledge and proposals regarding diagnosis and management.
Main Methods:
- Literature review of publications on congenital hypothyroidism.
- Analysis of screening protocols and treatment guidelines.
- Synthesis of findings on thyroid function reevaluation.
Main Results:
- Established screening protocols and early treatment initiation are crucial.
- Reevaluation is essential for accurate diagnosis of permanent or transient congenital hypothyroidism.
- Numerous studies provide insights into management strategies.
Conclusions:
- Effective management of congenital hypothyroidism relies on timely screening and appropriate reevaluation.
- Distinguishing between permanent and transient forms is critical for long-term patient care.
- Continued research and adherence to guidelines are necessary for optimal outcomes.
Abstract:
Congenital hypothyroidism is a common endocrine disease in children. In Türkiye, neonatal screening has been performed since 2007 with a cut-off Thyroid Stimulating Hormone (TSH) level of 5.5 mU/L. The initial treatment period is within the first 14 days. Reevaluation of thyroid function and thyroxine doses is necessary to determine whether the condition is permanent or transient congenital hypothyroidism. Numerous studies and proposals have been published on this topic. This article reviews the publications related to this subject.
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