IRCT20210926052604N1 IRCT 2021-10-21 Khoram-Abad University of Medical Sciences Comparison of the results of pilonidal sinus repair with methods of swing flap and secondary intension Comparison of the results of pilonidal sinus repair with methods of swing flap and secondary intension 2021-10-17 anticipated 100 Complete https://irct.ir/trial/59012 interventional Randomization: Not randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment. N/A Pilonidal sinus. Intervention 1: Intervention group: Pilonidal sinus repair by swing flap surgery. In this method, the wound repair by displacement of adjacent tissue after removig of pilonidal sinus. Intervention 2: Control group: pilonidal sinus repair by secondary method. the wound is left open and is not repaired In this method, after removing the pilonidal sinus. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is There is no more information