Transanal surgery for obstructed defecation syndrome: Literature review and a single-center experience

Figure 5 Technique of transanal partial excision of the puborectalis. A: Making a lateral incision of approximately 3 cm located 1 cm up on the dentate line on the rectal mucosa from the 3 o’clock direction to the 5 o’clock direction using an ultrasound knife; B: The rectal postero-lateral wall was dissected to the puborectalis; C, D: The puborectalis muscle was lifted up and approximately 2 cm was removed with an ultrasound knife; E: A full-thickness suture of the rectal wall was carried out; F: The resected sample.