Clinical data: a 35-year-old woman with hypothyroidism known for years.

Palpation: no abnormality.

Functional state: euthyroidism on daily 250 microgram levo-tiroxine with TSH-level 1.28 mIU/L.

Ultrasonography: a hypoechogenic thyroid with a circumscribed, more hypoechogenic area in the dorsal part of the left lobe.

Cytological report: papillary cancer.

Histopathology: Hashimoto's thyroiditis and a papillary microcarcinoma with a maximal diameter of 7 mm.

 

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