隐匿性颈淋巴结转移是头颈部肿瘤特征，病人是否需要选择性颈廓清，临床上仍然存在重要的问题，CT和MRI检查有助于隐匿性病变的诊断。对100例颈廓清病例进行分析，原发性肿瘤包括口腔、咽和喉部肿瘤，复查所有组织切片，测量每个淋巴结大小和有无中心坏死。通过淋巴结最大直径 Occult cervical lymph node metastasis is a characteristic of head and neck cancer. Patients need selective neck dissection. There are still important clinical problems. CT and MRI examinations are helpful for the diagnosis of occult lesions. A total of 100 cases of neck dissection were analyzed. The primary tumors consisted of oral, pharyngeal, and larynx tumors. All tissue sections were reviewed and the size of each lymph node and the presence or absence of central necrosis were measured. The maximum diameter of the lymph node