Overview
Anorectal abscess is a localized infection within the anal canal or perianal region, often presenting as a painful swelling that may require surgical intervention for effective management 1.Diagnosis
Clinical presentation: Painful swelling, fever, and systemic symptoms 1.
Imaging: Ultrasound or MRI for abscess characterization and extent 1.
Fistula assessment: Indicated if abscess tract extends beyond the sphincter complex 1.Management
Incision and drainage: Primary treatment for most abscesses 1.
Antibiotics: Considered adjunctive, especially in immunocompromised patients or complicated cases; specific drug classes not detailed 1.
Surgical consultation: Recommended for complex cases or those involving deep tissue involvement 1.
Pain management: Analgesics as needed for symptom relief 1.Special Populations
Pregnancy: Management similar to non-pregnant adults; conservative approach preferred unless severe 1.
Pediatrics: Smaller abscesses may resolve with antibiotics alone; surgical intervention if abscess fails to improve 1.
Elderly: Increased risk of complications; careful assessment and individualized treatment plans recommended 1.
Comorbidities: Immunocompromised states may necessitate broader spectrum antibiotics and closer monitoring 1.Key Recommendations
Perform incision and drainage as the primary treatment for anorectal abscesses (Evidence: Strong 1).
Consider imaging (ultrasound, MRI) to assess abscess extent and guide management (Evidence: Moderate 1).
Consult surgical specialists for complex cases or those involving deep tissue involvement (Evidence: Expert opinion 1).References
1 Bender F, Tarasconi A, Catena F, Sartelli M, Coccolini F, Liese J et al.. [Current WSES-AAST guidelines on anorectal emergencies-Summary and comments]. Chirurgie (Heidelberg, Germany) 2023. link