Figure 5. A, Periumbilical hernia containing fat. H indicates hernial sac. Arrows point to the defect in the rectus sheath. B, Three-dimensional rendering of a periumbilical hernia containing fat.图10A,股疝。H,疝囊。B,于股疝两个不同的水平经彩色多普勒扫描显示肿物位于股血管内侧。