Clinical presentation: A 32-year-old woman requested a second opinion. A thyroid nodule was found during an infertility investigation. She was diagnosed with papillary cancer.

Palpation: no abnormality.

Laboratory tests: TSH 1.28, aTPO 0.7 U/mL.

Ultrasonography. The thyroid was echonormal. There was a dominantly hypoechoic nodule in the left lobe. The lesion had a discrete echonormal part within. The lesion has irregular margins. The intranodular blood flow was irregularly increased.

Suggestion: left lobectomy.

Left lobectomy was performed, histopathology disclosed a solitary focus of a T1a papillary carcinoma with a maximal diameter of 8 mm.