Figure 20. A, Enlarged inguinal lymph node. Note the echogenic hilum. B, Color Doppler scan reeals the ascular hilum of the lymph node.

• 图20，A，腹股沟淋巴结增大，注意淋巴结门的回声。B，彩色多普勒扫描显示淋巴结的血管门。