Anorectal Abscess

• definition?
• aetiology?
• risk factors?
• pathophysiology?
• demographics?
• clinical features?
• investigation findings?
• acute management?
• complications?

Perianal Fistula

• definition?
• aetiology?
• risk factors?
• pathophysiology?
• Park classification?
• Goodsall rule?
• demographics?
• clinical features?
• investigation findings?