Case Control Study
Copyright ©The Author(s) 2016.
World J Gastroenterol. Dec 14, 2016; 22(46): 10198-10209
Published online Dec 14, 2016. doi: 10.3748/wjg.v22.i46.10198
Figure 4
Figure 4 Endoscopic features of nodular lymphoid hyperplasia with red ring sign, due to hypervascularization at the base of the follicles, associated with granulocyte infiltrate. A and B: A typical case of nodular lymphoid hyperplasia (NLH) with red ring sign (RRS) and diffuse macroscopic inflammation, in white light (WL) and narrow band imaging (NBI), respectively: RRS appears as a red (WL) or brown (NBI) outline surrounding NLH foci; C and D: A particular of two NLH foci with RRS, in WL and NBI, respectively (black and white arrows).