“…Traditionally, surgical management of perianal abscess and fistula-in-ano has been the accepted treatment [7,8,12,14,15]. Incision and drainage is the most common procedure used for perianal abscess, and fistulotomy or fistulectomy, which has no difference in the recurrence rate [7,14] although few reports advocated the fistulectomy [15,16], has been the popular surgical treatment of fistula-in-ano. However, recent studies have shown that conservative treatment is a good alternative for these diseases [1,5,6].…”