THE THYROID GLAND
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THE THYROID GLAND Allan Keast, ORL Surgeon
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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. - PowerPoint PPT Presentation
Transcript of 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
Pathology
• AETIOLOGY
• Neoplastic • Autoimmune• Metabolic
• Iodine
• Congenital• Cretinism
• EFFECT
• Mass effect• Goitre
• Hyperthyroidism• Hypothyroidism
Pathology
Cancer
Treatment
• Thyroxine suppression• Surgery• Radioactive Iodine• External beam Radiotherapy
Surgery
Surgery
Surgery
