[Thyroglossal duct cyst imitating mediastinal tumor]. / Torbiel przewodu tarczowo-jezykowego przypominajaca guz.

A rare case of thyroglossal duct cyst mimicking the mediastinal tumour is described. Due to localisation, simple cystectomy was performed. The early and two year postoperative results are good, any recurrence of the cyst has not been observed.