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Here is the comprehensive content list for Anal and Perianal Disorders in surgery, compiled from Schwartz's Principles of Surgery and Current Surgical Therapy:

Anal & Perianal Disorders — Surgery Content List

Benign Anal Conditions

  1. Hemorrhoids
    • External hemorrhoids
    • Internal hemorrhoids (Grades I–IV)
    • Prolapsing/thrombosed hemorrhoids
    • Rubber band ligation
    • Infrared photocoagulation
    • Hemorrhoidectomy (open / closed / stapled)
  2. Anal Fissure
    • Acute vs. chronic fissure
    • Medical management (topical nitrates, calcium channel blockers, botulinum toxin)
    • Lateral internal sphincterotomy
  3. Anorectal Abscess
    • Etiology and classification
    • Perianal abscess
    • Ischiorectal abscess
    • Intersphincteric abscess
    • Supraelevator abscess
    • Perianal sepsis in immunocompromised patients
    • Necrotizing soft tissue infection of the perineum (Fournier's gangrene)
  4. Fistula-in-Ano
    • Parks classification (intersphincteric, transsphincteric, suprasphincteric, extrasphincteric)
    • Fistulotomy
    • Seton placement
    • Advancement flap repair
    • Ligation of intersphincteric fistula tract (LIFT)
  5. Pilonidal Disease
    • Acute pilonidal abscess
    • Chronic pilonidal sinus
    • Surgical excision and flap repair
  6. Hidradenitis Suppurativa
  7. Skin Tags
  8. Pruritus Ani
    • Dermatologic causes (eczema, psoriasis, lichen sclerosus, seborrheic dermatitis)
    • Anorectal causes
    • Systemic causes
  9. Fecal Incontinence
    • Sphincteroplasty
    • Sacral nerve stimulation
    • Biofeedback
  10. Rectovaginal Fistula
  11. Rectal Prolapse
    • Full-thickness vs. mucosal prolapse
    • Perineal procedures (Altemeier, Delorme)
    • Abdominal rectopexy

Perianal Infections & Inflammatory Conditions

  1. Perianal Crohn's Disease
    • Medical management
    • Surgical considerations
  2. Perianal Dermatitis
  3. Sexually Transmitted Diseases of the Anorectum
    • Viral infections (HPV, HSV)
    • Bacterial infections (gonorrhea, chlamydia, syphilis)

Anal & Perianal Tumors (Malignant)

  1. Anal Canal Cancer
    • Squamous intraepithelial lesions (LSIL/HSIL / AIN I–III)
    • Epidermoid (squamous cell) carcinoma
    • Nigro protocol (chemoradiation)
    • Adenocarcinoma of the anal canal
  2. Anal Margin Cancer
    • Squamous cell carcinoma
    • Basal cell carcinoma
    • Verrucous carcinoma (Buschke-Löwenstein tumor)
  3. Bowen's Disease (perianal squamous cell carcinoma in situ)
  4. Extramammary Paget's Disease
  5. Perianal Melanoma

Anorectal Anatomy & Physiology (Foundational)

  1. Surgical anatomy of the anal canal (dentate line, sphincter complex, anal spaces)
  2. Lymphatic drainage of the anal canal
  3. Anorectal physiology and continence mechanism
  4. Anorectal manometry
Sources: Schwartz's Principles of Surgery 11e (Ch. 29); Current Surgical Therapy 14e (Anorectal section)
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