What are possible complications of perianal hidradenitis suppurativa (HS)?

Updated: Aug 30, 2019
  • Author: Marina Jovanovic, MD, PhD; Chief Editor: William D James, MD  more...
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With perianal disease, anal fistula formation is common. Although the etiology of anal fistulas remains unknown, the infection theory is widely accepted. Repeated or persistent abscess formation in the anal glands between the external and internal sphincters may be required for fistula formation. [72] Rectal and urethral fistulas are rare. [40]

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