In this book, the authors present current research in the study of the types, symptoms and treatments for fistulas and fissures. Topics include pancreatic fistulas; cutaneous advancement flap combined with tailored lateral internal sphincterotomy for chronic anal fissures; management of congenital fistulae; foot fissures in patients with diabetes; dialysis access-associated steal syndrome; anal fissures; advantage of surgical treatment for intracranial dural arteriovenous fistulas; pathogenesis of perianal fistulas in Crohn’s disease; setons in treatment of anal fistulas; biliary fistulas; and arm fistulae and their creation.