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Primary hypothyroidism — PARA MCQ

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EasyGeneral Medicine - EndocrinologyPrimary hypothyroidismPARA

A 59-year-old woman has fatigue, constipation, cold intolerance and weight gain. TSH is 18 mU/L and free T4 is low. What is the most likely diagnosis?

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Correct answer: C — Primary hypothyroidism

Raised TSH with low free T4 indicates primary hypothyroidism.

Reference: NICE CKS: Hypothyroidism