Review
Copyright ©2012 Baishideng Publishing Group Co.
World J Gastroenterol. May 7, 2012; 18(17): 2009-2017
Published online May 7, 2012. doi: 10.3748/wjg.v18.i17.2009
Figure 1
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Figure 1 Diagram of common sites of major anal and internal hemorrhoids. A: Diagram of common sites of major anal cushions; B: Common sites of internal hemorrhoids.
Figure 2
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Figure 2 Pathological changes in hemorrhoids. *: Marked dilatation of hemorrhoidal venous plexus; #: Fragmented anal subepithelial muscle (the Treitz’s muscle or mucosal suspensory ligament) (Scale bar = 1 mm).