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General Medicine · Endocrinology and diabetes: postpartum thyroiditis
Sample itemThree months after delivery, a woman has palpitations, weight loss and a small painless goitre. TSH is suppressed, free T4 is raised, radioiodine uptake is low and anti-TPO antibodies are positive. What is the most appropriate management?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
A. Propranolol for symptoms with observation
Postpartum thyroiditis is an autoimmune destructive thyroiditis with a thyrotoxic phase followed by possible hypothyroidism and then usually recovery. Because thyroid hormone synthesis is not increased, antithyroid drugs do not help in the thyrotoxic phase. A beta blocker controls symptoms, and thyroid tests should be monitored.
Option by option
A. Propranolol for symptoms with observation (correct)
Correct. The thyrotoxic phase is self-limiting, and beta blockade relieves the symptoms.
B. Carbimazole for a full 18-month course
Carbimazole blocks synthesis, which is not raised, so it is unhelpful.
C. Total thyroidectomy as definitive surgery
Surgery is unnecessary for a transient condition.
D. Radioiodine ablation of the gland
Radioiodine is ineffective with a low uptake and is avoided in a woman who may be breastfeeding.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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