Clinical presentation: A 59-year-old woman was referred for aspiration cytology of a nodular goiter. A multinodular goiter was described on ultrasound. The patient has been treated for hypothyroidism for more than 15 years.

Palpation: The right lobe was firm and nodular on palpation.

Laboratory tests: TSH 0.84 mIU/L on daily 50 microgram levothyroxine.

Ultrasound. The thyroid was moderately hypoechogenic and presented numerous, confluencing discrete lesions. We cannot fully exclude the possibility that one or several lesions of a pseudonodules of Hashimoto's thyroiditis would be a nodule in pathological sense.

Aspiration cytology from the hypoechogenic lesion in the lower part of the right lobe resulted in benign, colloid goiter.