Abstract:Activating germline mutations of the TSH receptor are responsible for a rare form of non-autoimmune hyperthyroidism transmitted as an autosomal dominant trait. We describe the case of a patient and her mother presenting with neonatal non-autoimmune hyperthyroidism associated with a heterozygous A619G mutation previously described in one patient who presented in adolescence. Our patient is a 6 year old African-American female diagnosed with hyperthyroidism at 2 weeks of age. Thyroid tests were being followed in… Show more
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