From the case: Perianal fistula

Ultrasound
Modality: Ultrasound

- “ Findings of perianal fistula. ”

Used in the following article:

  • Perianal fistula - “ Perianal fistula (or fistula-in-ano) (plural: fistulae or fistulas) is the presence of a fistulous tract across/between/adjacent to the anal sphin...”

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