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从1930年以来,头颈部肿瘤罕见颈淋巴结以外转移的概念已被打破,很多作者报告了相当高的远隔转移发生率。新加坡某医院1969-1971年连续治疗一组鼻咽癌362例,除去在就诊时或治疗中发现有远隔转移(骨、肺、腋下和腹股沟)的10例外,余352例在治疗后出现远隔转移的有99例(28. 1%)。远隔转移以10岁组发生率最高(66. 7%);其余各年龄组均有发生,大约在17. 9-33. 7%之间;70岁以上8例都无远隔转移出
Since 1930, the concept of non-cervical lymph node metastasis in head and neck tumors has been broken, and many authors reported a relatively high incidence of distant metastases. A group of 362 patients with nasopharyngeal carcinoma were treated consecutively in a hospital in Singapore from 1969 to 1971, except for 10 cases of distant metastases (bone, lung, infraorbital, and groin) found at the time of treatment or treatment, and 352 cases appeared after treatment. There were 99 cases (28.1%) of distant metastases. The rate of distant metastasis was highest in the 10-year-old group (66.7%); all other age groups occurred, ranging from approximately 17.9-33.7%; 8 patients over the age of 70 had no distant metastasis.