부갑상선 낭종 1예

초록

Cysts of the neck may present themselves as thyroid cysts, parathyroid cysts, thyroglossal duct cysts or branchial cleft cysts. Among them, parathyroid cysts are rare in clinical practice. They are usually observed in lower portion of the neck and rarely in the mediastinum or thymus. They are clasified either as functioning or non-functioning. In this report, we describe a 49-year old man, with normal thyroid function and normal serum calcium level, presenting mas in the lower left third of the neck. Ultra-sonography and computer tomography showed a wel defined cystic lesion from the left lower pole of the thyroid to the supra-l-clear watery fluid collection. After aspiration, cysts decreased in size, but the size increased again after a few days later. The patient was operated to remove the cyst and the left thyroid lobe. With the pathological study & analyzation of the cystic fluid for PTH level, the final diagnosis confirmed it as parathyroid cyst.

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