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How to accurately measure the distance from the anal verge to rectal cancer on MRI: a prospective study using anal verge markers.

Yeo Eun HanBeom Jin ParkDeuk Jae SungMin Ju KimNa Yeon HanKi Choon SimSung Bum ChoJin KimSeon Hahn KimHyonggin An
Published in: Abdominal radiology (New York) (2020)
The direct methods group provided the most accurate tumor distance among the groups. Among the direct methods, we recommend the direct mass method for its simplicity. Despite minor differences in location, the lower end of the external anal sphincter was a reliable anatomical landmark for the anal verge.
Keyphrases
  • high grade
  • rectal cancer
  • magnetic resonance imaging
  • contrast enhanced
  • computed tomography
  • radiation therapy