Rectum

Intersphincteric Abscess

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Intersphincteric Abscess

  • See Also
  1. Perirectal Abscess
  • Pathophysiology
  1. Perirectal Abscess within anal spincter wall
  • Signs
  1. Tender, fluctuant mass in rectal mucosa, on Digital Rectal Exam
  2. External exam may be normal if there is no extension to perianal region
  • Differential Diagnosis
  1. High Ischiorectal Abscess
  2. Pelvirectal Abscess
  • Management
  1. See Perirectal Abscess
  2. Surgical Consultation for drainage under Anesthesia
    1. Requires internal sphincterotomy via the anal mucosa
  • References
  1. Marx (2002) Rosen's Emergency Medicine, p. 1952
  2. Roberts (1998) Procedures, Saunders, p. 649-51
  3. Sherman, Bahga and Vietvuong (2022) Crit Dec Emerg Med 36(7): 23-9