Most common anorectal fistula:: (A) Inter sphincteric, (B) Trans sphincteric, (C) Supra sphincteric, (D) Extra sphincteric
Answer is A. PARK'S CLASSIFICATION Type 1 Inter- sphincteric (MC) Type 2 Trans- sphincteric Type3 Supra- sphincteric Type4 Extra- sphincteric Investigations - First investigation - Fistulogram - IOC- MRI Treatment High morbidity * Fistulotomy -Incision over fistula tract it * Fistulectomy- Excision of fistula tract. * SETON * VAAFT (Video Assisted Anal Fistula Treatment