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通过8例甲状腺髓样癌(MCT)病理组织学和超微结构的观察,对MCT的细胞学和组织学特征作了描述。结合病理组织学特点强调了间质淀粉样物在诊断中的相对意义,并提出MCT中可有肿瘤性滤泡形成。对用EM诊断MCT的意义作了论述,认为电镜下SG和淀粉样原纤维是作出MCT诊断的重要依据。
The cytological and histological features of MCT were described by observing histopathology and ultrastructure of eight cases of medullary thyroid carcinoma (MCT). The histopathological features combined with the emphasis on the relative significance of interstitial amyloid in diagnosis and suggested that there may be neoplastic follicular formation in MCT. The significance of diagnosis of MCT by EM was discussed. It is believed that SG and amyloid fibrils under electron microscope is an important basis for diagnosis of MCT.