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An enigmatic mediastinal mass



The incidence of mediastinal thyroid mass is about 8.7. Among them the incidence of a true isolated intrathoracic thyroid mass is 1. Most such masses and benign in nature. There are no proper published reports stating the incidence of malignancy in an isolated mediastinal thyroid mass.50 year old female presented with the complaints of dyspnoea for 3 months. She was evaluated with electrocardiogram,    chest x-ray and CECT chest and was diagnosed as a  paraoesophageal duplication cyst. Thoracotomy and excision of the cyst was done and the specimen sent for    histopathology. It revealed a surprise as papillary carcinoma thyroid. The patient was then evaluated for any pathology in the thyroid gland. As FNAC of the thyroid gland revealed a papillary carcinoma , total thyroidectomy was done after and the histopathology of specimen also revealed a papillary  carcinoma of thyroid gland. Suppressive dose of thyroxine was started and the patient is on follow up for a period               of one year.


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