Objective: To compare the diagnostic value in recurrent neck neoplasms between color Doppler flow imaging (CDFI) and palpation following nasopharyngeal carcinoma (NPC) radiotherapy.

• 摘要目的：比较彩色多普勒超声(CDFI)与临床触诊对鼻咽癌放疗后颈部肿物的诊断价值。