上顎骨転移で発症し,剖検により診断が確定した甲状腺オカルト癌の1例

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We report here the rare case of an occult medullary thyroid carcinoma which was found in a metastatic right maxillary sinus tumor.<BR>A 47 year-old man had complained of a right maxillary tumor for 2 months. An open biopsy of the right maxillary sinus tumor was performed, and it was diagnosed histopathologically as a squamous cell carcinoma. Irradiation, chemotherapy, a right total maxillectomy and a neck dissection were then performed. Soon after the surgery, multiple systemic metastases were detected, and he died of a hepatic coma. An autopsy of the patient showed that the first diagnosis was actually a metastatic medullary thyroid carcinoma, and that the primary thyroid tumor had been overlooked. The occult type of thyroid carcinoma is also discussed.
耳鼻咽喉科臨床学会の論文