Rapid Communication
Copyright ©2007 Baishideng Publishing Group Co.
World J Gastroenterol. Jan 28, 2007; 13(4): 585-587
Published online Jan 28, 2007. doi: 10.3748/wjg.v13.i4.585
Figure 2
Figure 2 Endosonographic image showing thickening of the submucosa. IAS: Internal anal sphincter; EAS: External anal sphincter; SM: Submucosa (hypoechogenic area is hemorrhoidal).