颈部淋巴结转移癌约占颈部恶性肿瘤总数的3/4；在颈部肿块中，发病率仅次于慢性淋巴结炎和甲状腺疾病。原发癌灶绝大部分在头颈部，尤以鼻咽癌和甲状腺癌的转移最为多见。锁骨上窝转移性肿瘤的原发癌灶，多在胸腹部（包括肺、纵隔、乳房、胃肠道、胰腺等）；但胃肠道、胰腺癌肿的颈部淋巴结转移，经胸导管多发生在左锁骨上窝。
颈部淋巴结转移癌(cervical lymph node metastatic carcinoma)约占颈部恶性肿瘤总数的3/4;在颈部肿块中发病率仅次于慢性淋巴结炎和甲状腺疾病原发癌灶绝大部分(85%)在头颈部，尤以鼻咽癌和甲状...
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文中对颈部淋巴结转移性鼻咽癌的病理诊断标准及鉴别诊断提出了意见，对鼻咽癌颈部淋巴结转移的机制进行了探讨。
The criteria for diagnosis and differential diagnosis are presented and the mechanisms of the metastasis of nasopharyngeal carcinoma to the cervical lymph nodes are discussed.
结论：鼻咽癌的颈部淋巴结转移是由上而下循序性的； 跳跃性转移发生率低；
CONCLUSIONS: The cervical node involvement of NPC is spread orderly down the neck, and the incidence of skip metastasis is lower.
结论鼻咽癌颈部淋巴结转移切取活检可增加其远处转移率，降低生存率。
Conclusion Cervical incisional biopsy increases distant metastatic rate and decreased survival rate for NPC.
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