Study note

Graves’ disease: presentation and thyroid stimulation

THE CONTEXT
Graves’ disease is a diffuse toxic goitre producing the syndrome of primary thyrotoxicosis.

Clinical pattern

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A diffuse vascular goitre appears at the same time as hyperthyroidism.
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The disease usually occurs in younger women and is frequently associated with eye signs.
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A family history of autoimmune endocrine diseases is present in 55% of patients.

Mechanism

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The whole functioning thyroid tissue is involved.
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Abnormal TSH-RAb bind to TSH receptor sites and produce a disproportionate, prolonged effect, causing thyroid hypertrophy and hyperplasia.
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