Perianal fistula (grade I)

Case contributed by Dr Vougiouklis Nikos

Presentation

Chronic perianal infection

Patient Data

Age: 45 years
Gender: Female
Modality: MRI

Coronal contrast-enhanced MR image shows the fistula with contrast enhancement

Axial contrast-enhanced MR image shows the fistula and inflammatory tissue within the left intersphincteric plane.

Coronal T2SE  MR image shows a fistula (arrow) within the left inter-sphincteric plane. Note the entry site in midlieline in the lower third of the anal canal.

Axial T2SE MR image shows the  fistula (arrow) as a dot.

Axial T2SE MR image higher shows the fistula approaching the midline at 12 hour which is unusual.

Case Discussion

MRI often does not shows clearly the entry point of the fistula.

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Case Information

rID: 16831
Case created: 23rd Feb 2012
Last edited: 4th Apr 2017
Tag: fistula
Inclusion in quiz mode: Included

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