Browse the corpus
Walk the Even Hospital Database by book and chapter — the raw source passages that ground Ask, DDx, and the rest.
2 passages
©2013 UpToDate ® Print Email Anal fistulas and abscess in Crohn's disease This picture shows anterior perianal fistulas involving the vulva and anterior perineum (arrows) in a woman with Crohn's disease being prepared for surgery. The surrounding skin is erythematous and indurated. An abscess (arrowhead) appears as a localized swelling. Hypertrophic skin tags (dashed arrows) in the anal canal are commonly observed in perianal Crohn's disease and may be confused with external hemorrhoids. Courtesy of Alain Bitton, MD, FRCPC. Perianal fistula Perianal fistula in a patient with Crohn's disease. Scarring and deformity from previous fistulas is also apparent. Courtesy of David A Schwartz, MD and Maurits J Wiersema, MD.
©2013 UpToDate ® Print Email Anal fistulas and abscess in Crohn's disease This picture shows anterior perianal fistulas involving the vulva and anterior perineum (arrows) in a woman with Crohn's disease being prepared for surgery. The surrounding skin is erythematous and indurated. An abscess (arrowhead) appears as a localized swelling. Hypertrophic skin tags (dashed arrows) in the anal canal are commonly observed in perianal Crohn's disease and may be confused with external hemorrhoids. Courtesy of Alain Bitton, MD, FRCPC.