What is Subacute (De Quervain's) thyroiditis?

acute inflammatory disease of the thyroid probably caused by a virus, presenting with hyperthyroidism

What are the thyroid scintigraphy findings in Subacute (De Quervain's) thyroiditis?

globally reduced uptake of iodine-131

What is the management of Subacute (De Quervain's) thyroiditis?

• usually self-limiting
• thyroid pain may respond to aspirin or other NSAIDs
• in more severe cases steroids are used, particularly if hypothyroidism develops

What type of goitre is found in Subacute (De Quervain's) thyroiditis?

painful

What are the four stages of Subacute (De Quervain's) thyroiditis?

• phase 1 (lasts 3-6 weeks): hyperthyroidism, painful goitre, raised ESR
• phase 2 (1-3 weeks): euthyroid
• phase 3 (weeks - months): hypothyroidism
• phase 4: thyroid structure and function goes back to normal