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Non-autoimmune Familial Hyperthyroidism in Children: The Importance of Genetic Testing
Mariana Sa Pinto1, Tomás Ferrão2, Andreia Dias Preda1
1Pediatrics and Neonatology, Unidade Local de Saúde Gaia - Espinho, Vila Nova de Gaia, PRT.
Cureus
|February 3, 2026
Summary
Non-autoimmune hyperthyroidism can stem from genetic mutations activating the thyroid-stimulating hormone receptor (TSHR). Genetic testing identified a TSHR variant in an adolescent with a family history, guiding treatment and highlighting the importance of genetic analysis.
Area of Science:
- Endocrinology
- Genetics
- Molecular Biology
Background:
- Non-autoimmune hyperthyroidism is rare, often linked to genetic factors affecting the thyroid-stimulating hormone receptor (TSHR).
- Distinguishing non-autoimmune from autoimmune causes is crucial for effective management.
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