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THE THYROID GLAND

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

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  1. THE THYROID GLAND Allan Keast, ORL Surgeon

  2. Anatomy

  3. Anatomy

  4. Physiology • Thyroid hormones upregulate metabolism • T4 Thyroxine • T3 triiodothyronine • Calcium regulation • Parathyroids (up) • Calcitonin (down) • ?significance in humans

  5. Physiology

  6. Diagnostic Tests • Thyroid function tests

  7. Pathology • AETIOLOGY • Neoplastic • Autoimmune • Metabolic • Iodine • Congenital • Cretinism • EFFECT • Mass effect • Goitre • Hyperthyroidism • Hypothyroidism

  8. Pathology

  9. Cancer

  10. Treatment • Thyroxine suppression • Surgery • Radioactive Iodine • External beam Radiotherapy

  11. Surgery

  12. Surgery

  13. Surgery

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