彩色多普勒超声对浅表肿大淋巴结良恶性的鉴别诊断价值
【摘要】目的探讨超声诊断浅表淋巴结良恶性病变的声像图特征与临床实用价值。方法对46例因浅表淋巴结肿大就诊的患者，应用彩色多普勒超声观察120个浅表淋巴结的纵径横径LS值、内部回声、CDFI及PWD频谱特征。结果良、恶性肿大淋巴结的LS值分别为±、±。淋巴门处髓质主干动脉收缩期峰值血流速度Vmax分别为±cms、±cms；舒张期末血流速度Vmi
分别为±cms、±cms。阻力指数RI分别为±、±。四项指标中LS值及RI差异有非常显着性P＜。良性肿大淋巴结内部回声多呈髓质增宽、增强，皮质相对变窄，恶性肿大淋巴结内部回声则反之。CDFI示良性肿大淋巴结内血流较丰富、规则，多呈树枝状分布；而恶性肿大淋巴结内血流则多呈不规则紊乱血流信号。结论通过对淋巴结超声测量的LS值分析，结合淋巴结内部回声、CDFI和频谱分析，对淋巴结的良
f恶性鉴别具有实用价值，可作为淋巴结诊断的首选方法，并为进一步穿刺活检提供依据。【关键词】超声浅表淋巴结彩色多普勒脉冲多普勒性质鉴别【Abstract】ObjectiveTodiscusstheultrasou
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浅表淋巴结是指位于体表深筋膜层、距离皮肤以内的淋巴结群。淋巴结病变往往是局部和全身疾病的反应。浅表淋巴结头颈、
f腋窝、锁骨上窝及腹股沟区是诊断恶性肿瘤分期、制定治疗计划和分析疗效的重要依据。笔者对46例浅表淋巴结肿大患者进行了超声扫查，现报告如下。1资料与方法一般资料选择自2002年12月～2005年4月于r