title: [Inferior calyx stone and flexible ureterorenoscopy to mobilize the stone before fragmentation].
abstract: Flexible ureterorenoscopy is recommended for the treatment of inferior calyx stones, 10 to 15 mm in diameter, particularly after failure of extracorporeal lithotripsy. It is recommended to mobilize an inferior calyx stone towards the renal pelvis or superior calyx before starting fragmentation. This manoeuvre is essential to preserve the ureterorenoscope. The objective of this technical note is to explain the stone "relocalization" manoeuvre and describe how in situ treatment of an inferior calyx stone can be dangerous for the flexible ureterorenoscope.
authors.affiliation: Service d'Urologie, Hôpital Tenon, Paris, France. olivier.traxer@tnn.ap-hop-paris.fr
authors.forename: Olivier
authors.initials: O
authors.lastname: Traxer
authors.forename: Frédéric
authors.initials: F
authors.lastname: Thibault
authors.forename: Lamine
authors.initials: L
authors.lastname: Niang
authors.forename: Mohamed Amine
authors.initials: MA
authors.lastname: Lakmichi
authors.forename: Eric
authors.initials: E
authors.lastname: Lechevallier
authors.forename: Bernard
authors.initials: B
authors.lastname: Gattegno
authors.forename: Philippe
authors.initials: P
authors.lastname: Thibault
mesh_terms: D006801:Humans; D007669:Kidney Calculi / Q000628:therapy*; D007670:Kidney Calices; D018666:Ureteroscopy