Anorectal disorders

From WikEM
(Redirected from Anorectal Disorders)
Jump to: navigation, search

Differential Diagnosis

Anorectal Disorders

Algorithmic Diagnostic Approach

Pain and Bleeding

  1. External hemorrhoid
  2. Prolapsed internal hemorrhoid
  3. Anal Fissure
    1. Off midline = cancer, HIV, TB, Crohn's

Pain and No Bleeding

  1. Swelling
    1. Abscess
      1. Perirectal
      2. Ischiorectal
      3. Intersphincteric
      4. Supralevator
    2. Pilonidal Cyst
    3. Anal Fistula
    4. Hidradenitis suppurativa
  2. No swelling
    1. Proctalgia Fugax

Painless Bleeding

  1. Cancer
  2. Internal hemorrhoid

Painless Swelling

  1. Itch: Condyloma acuminata (warts secondary to HPV)
  2. No itch: Rectal prolapse

Itching

  1. Discharge: Proctitis
  2. No discharge: Pruritus Ani

See Also

References