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Thyrotropin receptor(TSHR) mutations must be considered when congenital hyperthyroidism has persisted, but there has been no evidence for autoimmunity. TSHR mutations leading to constitutive activation of the thyroid gland were identified as the molecular cause of autosomal dominant nonautoimmune hyperthyroidism and sporadic congenital hyperthyroidism. We report two cases of hyperthyroidism caused by germline TSHR mutation who presented with exessive sweating... |