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THE THYROID GLAND. Allan Keast, ORL Surgeon. Anatomy. Anatomy. Physiology. Thyroid hormones upregulate metabolism T4 Thyroxine T3 triiodothyronine Calcium regulation Parathyroids (up) Calcitonin (down) ?significance in humans. Physiology. Diagnostic Tests. Thyroid function tests.
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THE THYROID GLAND Allan Keast, ORL Surgeon
Physiology • Thyroid hormones upregulate metabolism • T4 Thyroxine • T3 triiodothyronine • Calcium regulation • Parathyroids (up) • Calcitonin (down) • ?significance in humans
Diagnostic Tests • Thyroid function tests
Pathology • AETIOLOGY • Neoplastic • Autoimmune • Metabolic • Iodine • Congenital • Cretinism • EFFECT • Mass effect • Goitre • Hyperthyroidism • Hypothyroidism
Treatment • Thyroxine suppression • Surgery • Radioactive Iodine • External beam Radiotherapy