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Copyright ©The Author(s) 2017.
World J Gastroenterol. Oct 14, 2017; 23(38): 6931-6941
Published online Oct 14, 2017. doi: 10.3748/wjg.v23.i38.6931
Figure 2
Figure 2 Example on the use of color doppler imaging and continous duplex scanning. Perineal ultrasound showing the hemorrhoidal pleaxus using color doppler imaging and continous duplex scanning with the typical spectrum of the hemorrhoids.