“…A variety of TCF closure techniques have been advocated and can be classified as primary closure in layers [13], primary closure with fistulectomy [2,7,14,16] and fistulectomy with closure by secondary intent [8,10,12,15]. Some authors argue that primary closure is associated with an unacceptable complication rate, opting instead for closure by secondary intention [3,8,10,12].…”