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