Methods 41 lateral necks(negative by clinical palpation) with malignant tumor of head and neck were examined by MRI before operation and correlated with postoperative pathologic finding.

• 方法41例临床触诊检查颈部淋巴结转移阴性的头颈部恶性肿瘤病人,术前行MRI颈部扫描,了解颈淋巴结转移阳性和阴性的情况,并在术后同病理诊断对照。