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甲状腺髓样癌（MTC）是一种少见的神经内分泌肿瘤，约占甲状腺癌的3％～5％。局限于颈淋巴结转移者再次手术可使降钙素值降至正常，但对广泛转移的病例迄今无治愈方法。作者总结JohnsHoPkin’s医院1981～1997年收治51例MTC的资料，其中16例播散性转移曾行21次姑息性再度手术，
Medullary thyroid carcinoma (MTC) is a rare neuroendocrine tumor that accounts for 3% to 5% of thyroid cancer. Re-surgery in patients limited to cervical lymph node metastases can reduce calcitonin levels to normal, but there has been no cure for widespread metastases. The authors summarized data from 51 cases of MTC admitted to Johns HoPkin’s Hospital from 1981 to 1997, of which 16 cases of disseminated metastases performed 21 palliative reoperations.