副甲状腺嚢胞の2例

概要

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Two cases of parathyroid cyst are reported. In case 1, a 61-year-old female had a left anterior cervical mass. On the chest X-ray film, the trachea was deviated toward the right by the mass. In case 2, a 48-year-old female also had an anterior cervical mass which had appeared for two years. Both cases were diagnosed as thyroid cyst or thymoma and the patients underwent operation. Upon operation, both masses were found to be solitary cysts, which were situated not in the thyroid gland but in the cervical region adjacent to the lower pole of the left thyroid lobe. In case 1, the cyst had a duct on the inferior part, which was thought to be connccted with the thymus gland. In case 2, high values of not only parathyroid hormone but also calcitonin hormone were detected in the contents of the cyst. Histologically, in both specimens, the inner surface was lined by the flattened cuboidal or columnar epithelium and by the connective tissue contained scattered islands of the parenchymal parathyroid cells. The final diagnosis of both cysts was parathyroid cyst.
耳鼻咽喉科臨床学会の論文