COURSE on THYROID ULTRASOUND

Section 3 Non-nodular thyroid diseases

Part 1 Lymphocytic thyroiditis

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Lymphocytic thyroiditis - case 675

Clinical data: A 57-year-old woman was referred for evaluation of an unstable hypothyroidism. She has got replacement therapy for 9 years. She was euthyroid on daily 100 microgram levothyroxine, but a low TSH level was detected six months ago. Then her GP decreased the dose to daily 50 microgram.

Palpation: no abnormality.

Laboratory data: TSH 31.4 mIU/L on daily 50 micrograms levothyroxine.

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