A Case of Painless Thyroiditis in a Very Early Stage of Pregnancy

We report a case of painless thyroiditis detected during the first trimester of pregnancy. A 29-year-old Japanese woman was hospitalized because of thyrotoxicosis and she was confirmed to be pregnant. The gestational age was 4 weeks. Blood examinations revealed negative TSH receptor antibodies, howe...

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Veröffentlicht in:	Internal Medicine 2012, Vol.51(5), pp.475-477
Hauptverfasser:	Sato, Shiori, Endo, Kei, Iizaka, Toru, Saiki, Ryo, Iwaku, Kenji, Sato, Shotaro, Takahashi, Yasuyoshi, Otsuka, Fumiko, Taniyama, Matsuo
Format:	Artikel
Sprache:	eng
Schlagworte:	Adult Diagnosis, Differential Female Humans painless thyroiditis Pregnancy Pregnancy Complications - blood Pregnancy Complications - diagnosis Pregnancy Complications - drug therapy Pregnancy Trimester, First Thyroid Hormones - blood Thyroiditis - blood Thyroiditis - diagnosis Thyroiditis - drug therapy thyrotoxicosis Thyrotoxicosis - diagnosis Thyrotoxicosis - drug therapy Thyroxine - therapeutic use Treatment Outcome
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Zusammenfassung:	We report a case of painless thyroiditis detected during the first trimester of pregnancy. A 29-year-old Japanese woman was hospitalized because of thyrotoxicosis and she was confirmed to be pregnant. The gestational age was 4 weeks. Blood examinations revealed negative TSH receptor antibodies, however, we started potassium iodide because we were unable to rule out Graves' disease. Thyroid hormone levels were normalized in 3 weeks and remained low even after discontinuation of medication. She received replacement therapy with levothyroxine sodium hydrate till 3 months after delivery. Painless thyroiditis can be one of the differential diagnoses of thyrotoxicosis in a very early stage of pregnancy.
ISSN:	0918-2918 1349-7235
DOI:	10.2169/internalmedicine.51.5742