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©The Author(s) 2017.
World J Gastroenterol. Jun 7, 2017; 23(21): 3900-3906
Published online Jun 7, 2017. doi: 10.3748/wjg.v23.i21.3900
Published online Jun 7, 2017. doi: 10.3748/wjg.v23.i21.3900
Figure 1 Internal anal sphincter thickness is defined as the mean thickness of the internal anal sphincter at 12, 3, 6, 9 o’clock positions in the mid-axial plane.
IAS: Internal anal sphincter; EAS: External anal sphincter.
- Citation: Xue YH, Ding SQ, Ding YJ, Pan LQ. Role of three-dimensional endoanal ultrasound in assessing the anal sphincter morphology of female patients with chronic proctalgia. World J Gastroenterol 2017; 23(21): 3900-3906
- URL: https://www.wjgnet.com/1007-9327/full/v23/i21/3900.htm
- DOI: https://dx.doi.org/10.3748/wjg.v23.i21.3900