In this episode, Dr Jonathan White discusses basic concepts and anatomy relating to anal fistula. After listening to this episode, learners will be able to: Define what an anal fistula is Describe the clinical presentation of the patient with an anal fistula Outline the important anatomical landmarks of the anal canal and draw the ‘owl’ and ‘cucumber’ diagrams Explain how an anal fistula forms List the four common types of anal fistulas Running time 21:09