患者 ,男 ,4 3岁。无自觉症状 ,因要办理医疗 IC卡来我院作常规检查。 B超检查 :脾脏明显增大 ,脾脏厚 82 mm,包膜光整 ,实质光点分布欠均匀。脾下极近脾门处见一稍低回声团块 ,略向外突出 (图 1) ,大小为 73mm× 71mm,边界清晰。其内可见圆点状无回声区 ,呈网格状改变。脾门受 Patient, male, 4 3 years old. No symptoms, due to medical IC card for our hospital for routine examination. B-ultrasound: spleen increased significantly, the spleen 82 mm thick, coated finishing, the actual distribution of light points less uniform. The spleen next to the spleen door to see a slightly lower echo mass slightly protruding outward (Figure 1), the size of 73mm × 71mm, the boundary is clear. Dot-like echo-free area can be seen within the grid-like changes. Spleen door by