With metabolic image ofPET and anatomic image of CT, 18F-FDG PET-CT is avery useful method in diagnosing metastatic cervicallymph nodes.

• 18F-FDGPET-CT结合PET提供肿瘤代谢图像,CT提供解剖图像,在颈淋巴结转移癌的诊断及监测复发方面具有较大的临床价值。