MRI evaluation of fistula in ano.


  • Ana Nassauer Mónica Serviço de Radiologia, Hospital Fernando Fonseca, Amadora.
  • A Costa
  • C Aleluia



Fistula in ano is a frequent disease, which often has a difficult diagnosis and mapping, and comports significant morbidity. Today, Magnetic Resonance (MRI) allows a rapid, simple and precise mapping of peri anal fistula, which leads to a correct surgical treatment. In this paper, the authors review its pathology and MRI role in diagnosis and mapping. The authors also report a retrospective and descriptive study on the MRI results for the mapping of fistula in ano performed in Hospital Fernando Fonseca for a 38-month period.


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How to Cite

Mónica AN, Costa A, Aleluia C. MRI evaluation of fistula in ano. Acta Med Port [Internet]. 2007 Nov. 15 [cited 2023 Mar. 29];20(4):319-24. Available from:



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