淋巴结分区在一定程度上可以认为是一种语言，存在的目的是为临床医生更好地进行交流。目前的分区没有统一，多种分区方案在教科书及文献中同时存在。临床医生不能机械地对分区方法进行理解，必须意识到分区的解剖标志只是为了在不同临床情况、面对不同介质进行辨别而采用的，肿瘤并不会按此标志进行一站一站地转移。在临床应用中，应根据应用场景与对象选择。如1998外科分区方法更适用于临床体检，而影像学分区适用于外科医生读片以及放射诊断、放射治疗等临床需求，2002分区可同时应用于外科医生的体检、读片与术中。
淋巴结分区的发展是随着对原发灶不同转移灶的分布规律的研究以及择区淋巴结清扫术的发展而发展的。颈部原发肿瘤病变位置不同，有各自的好发淋巴结转移区域。一般而言，原发肿瘤位置偏上的，转移的淋巴结位置也较高；肿瘤偏前的转移淋巴结位置也偏前，反之亦然（表2—3）。
表2—3 各分区常见转移来源
（王宇 杨树雯）
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