Comparison between anal endosonography and digital examination in the evaluation of anal fistulae.

@article{Choen1991ComparisonBA,
  title={Comparison between anal endosonography and digital examination in the evaluation of anal fistulae.},
  author={S Choen and Stephen Burnett and Clive I. Bartram and Ralph John Nicholls},
  journal={The British journal of surgery},
  year={1991},
  volume={78 4},
  pages={445-7}
}
A prospective trial was performed comparing the accuracy of digital examination and anal endosonography in defining the anatomy of anal fistulae. Before operation 38 consecutive patients were assessed by the consultant in charge of the case, by a research fellow and by anal endosonography involving two radiologists. These findings were compared with the operative findings. Consultants correctly identified 26 of 33 internal openings, 29 of 34 primary tracks and 15 of 21 secondary tracks. The… CONTINUE READING

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