【摘要】 目的 探讨鼻咽癌放疗后复发的CT诊断。 方法 对46例鼻咽癌患者进行CT追踪分析。 结果 原发病灶复发11例，咽旁及及颈动脉鞘区复发19例，颅底、海绵窦复发16例。 结论 鼻咽癌放疗后复发以向咽壁深层侵犯为主，CT系列随访对比分析对于鼻咽癌复发的早期诊断有重要意义。

    关键词 鼻咽癌 体层摄影 X线计算机

    CT diagnostic value of nasopharyngeal carcinoma after radiotherapy

    Long Shiliang，Wu Chefu，Ming Xiaochun，et al.

    Central People's Hospital of Zhanjiang，Guangdong524037.

    【Abstract】 Objective To discuss CT diagnosis of recurrent nasopharyngeal carcinoma after irradiation.Methods CT findings in46cases of recurrent NPC were analyzed.Results The recurrent tumor invading original site was found in11cases.The carotid sheath area and parapharyngeal tissues was found in19cases.Cranial base de-struction with cavernous sinus was found in16cases.Conclusion The recurrence of NPC after irradiation mainly in-vades the deeper tissues under the nasopharyngeal wall.CT follow-up examination plays an important role in early di-agnosis of the recurrence of NPC.

    Key words nasopharyngeal carcinoma tomography X-ray computed

    鼻咽癌是我国南方常见的恶性肿瘤之一 ......