鼻咽癌靶区确定存在问题及探讨

Problems of target defined in nasopharyngeal carcinoma

目前鼻咽癌靶区及关键组织的确定还存在诸多问题。本文从大体肿瘤靶区、临床肿瘤靶区、计划肿瘤靶区、正常组织及其颈部淋巴结靶区的确定等几个方面来分析这些问题,并分别提出了关于鼻咽癌靶区及关键组织剂量的确定的一些建议,供临床医师参考。

Some problems of defining target volumes and normal organs are issueds in nasopharyngeal carcinoma. The faetors that affect gross target volume, clinieal target volume, planning target volume, normal tissues and eervieal lymph node target in necks are analyzed . and some suggestions for defining target and normal tissues are discussed in this article.