title: Congenital pseudarthrosis of the clavicle: a histopathological study in five patients.
abstract: Congenital pseudarthrosis of the clavicle is usually situated on the right clavicle. Pathological data on pseudarthrosis are scant. The histological analysis of five cases treated by 'en bloc' surgical resection are reported. Enchondral ossification was observed on both sides of the resected pseudarthrosis in two cases. Less characteristic enchondral features were noted in three cases. These findings confirm that the pseudarthrosis is due to the failure of coalescence of the two primary ossification centers of the clavicle.
authors.affiliation: Department of Anatomy and Pathological Cytology, Rangueil Hospital, Toulouse, France.
authors.forename: Anne
authors.initials: A
authors.lastname: Gomez-Brouchet
authors.forename: Jérôme
authors.initials: J
authors.lastname: Sales de Gauzy
authors.forename: Franck
authors.initials: F
authors.lastname: Accadbled
authors.forename: Aziz
authors.initials: A
authors.lastname: Abid
authors.forename: Marie Bernadette
authors.initials: MB
authors.lastname: Delisle
authors.forename: Jean-Philippe
authors.initials: JP
authors.lastname: Cahuzac
mesh_terms: D000293:Adolescent; D001864:Bone Wires; D002356:Cartilage / Q000473:pathology; D002648:Child; D002675:Child, Preschool; D019902:Chondrocytes / Q000473:pathology; D002968:Clavicle / Q000293:injuries* / Q000473:pathology* / Q000601:surgery; D005260:Female; D005593:Fracture Fixation, Internal; D006801:Humans; D006984:Hypertrophy; D007085:Ilium / Q000637:transplantation; D008297:Male; D009999:Ossification, Heterotopic / Q000473:pathology; D011542:Pseudarthrosis / Q000151:congenital* / Q000473:pathology* / Q000601:surgery