[The base of the nose in corrective rhinoplasty].

The authors describe a study of the labio-columellar region and of the alae of the nose in corrective rhinoplasty excluding malformations. Esthetic characteristics and the anatomical structure of this junctional area between the mobile nose and the facial plane are revealed. Surgical problems are analyzed with study in succession of surgical approaches, maxillo-septal angle, the columella, the maxilla, the muscular layer and the alo-jugal junction. Surgical techniques which can be divided into inferior septoplasties, columelloplasty and labio-columelloplasty have precise indications in accordance with the type of formation of the labio-columellar region. A technique of nostril resection with the absence of damage to and shortening plasty of the muscle layer is described.