Basic Study
Copyright ©The Author(s) 2017.
World J Gastroenterol. May 28, 2017; 23(20): 3664-3674
Published online May 28, 2017. doi: 10.3748/wjg.v23.i20.3664
Figure 3
Figure 3 Mosaic pattern in the anal cushion of stages III and IV hemorrhoids. Blood flow with different directions could be observed as a “mosaic pattern” (white arrow). High-speed low-resistance arterial flow spectrum and arterialized venous spectrum could be observed as a bright colored area.