TG and hyperthyroidism: The hormonal assessment revealed hyperthyroidism; TSH was low at 0.142 mUI/L (reference range:0.4-4 mUI/L), T4 was 2 mUI/L (reference range: 0.70-1.4 mUI/L), and the anti-thyroid peroxidase and anti-thyroglobulin antibodies were negative.