The '''loop electrosurgical excision procedure''' ('''LEEP''') is one of the most commonly used approaches to treat high grade [[cervical dysplasia]] (CIN II/III, HGSIL) discovered on [[colposcopy|colposcopic]] examination. In the UK, it is known as '''large loop excision of the transformation zone''' ('''LLETZ''').
LEEP has many advantages including low cost, and a high success rate,.<ref>{{cite web |url=http://www.webmd.com/cancer/cervical-cancer/loop-electrosurgical-excision-procedure-leep-for-abnormal-cervical-cell-changes |title=Loop electrosurgical excision procedure (LEEP) for abnormal cervical cell changes |access-date=2016-11-27}}</ref> The procedure can be done in an office setting and usually only requires a local [[anesthesia|anesthetic]], though sometimes IV sedation or a general [[anesthesia|anesthetic]] is used.<ref>{{cite web |url=http://lib-sh.lsuhsc.edu/fammed/atlases/leep/leepadv.html |title=Advantages of LEEP |access-date=2007-12-28 |last=Mayeaux, Jr. |first=E.J. |url-status=dead |archive-url=https://web.archive.org/web/20060904092302/http://lib-sh.lsuhsc.edu/fammed/atlases/leep/leepadv.html |archive-date=2006-09-04 }}</ref>
