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Graves disease — ABFM Board MCQ

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ModerateEndocrine/MetabolicGraves diseaseABFM Board

A 44-year-old woman has episodic palpitations, heat intolerance, tremor, and weight loss. TSH is undetectable and free T4 is elevated. She has diffuse goiter and lid lag. Which of the following is the most likely diagnosis?

Educational content. Not a substitute for clinical judgement or local policy.

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Correct answer: B — Graves disease

Diffuse goiter, hyperthyroidism, and eye findings strongly suggest Graves disease. Toxic multinodular goiter usually occurs in older patients and does not cause ophthalmopathy.

Reference: American Thyroid Association Hyperthyroidism Guideline