title: [Femoral metaphyso-diaphyseal chondroblastoma: a case report].
abstract: Chondroblastoma is a rare benign tumor of cartilage tissue accounting for less than 1% of all bone tumors. The epiphysis of long bones is the typical localization, often extending to the metaphysis. Metaphyseal, metaphysodiaphyseal or pure diaphyseal forms are exceptional. We report a case in a 15-year-old boy who presented a metaphyso-diaphyseal chondroblastoma of the distal portion of the left femur. The inaugural signs were pain and limited joint motion. We discuss the anatomic aspects and the clinical course of this rare tumor and present current knowledge of the histogenesis.
authors.affiliation: Laboratoire d'Anatomie Pathologique, Hôpital El-Ghassani, CHU Hassan II, Fès, Maroc. kaoutarznati@yahoo.fr
authors.forename: K
authors.initials: K
authors.lastname: Znati
authors.forename: M
authors.initials: M
authors.lastname: Ahaouch
authors.forename: H
authors.initials: H
authors.lastname: Fatemi
authors.forename: L
authors.initials: L
authors.lastname: Chbani
authors.forename: A
authors.initials: A
authors.lastname: Affifi
authors.forename: I
authors.initials: I
authors.lastname: Kamaoui
authors.forename: S
authors.initials: S
authors.lastname: Bennis
authors.forename: A
authors.initials: A
authors.lastname: Amarti
mesh_terms: D000293:Adolescent; D001706:Biopsy; D002804:Chondroblastoma / Q000175:diagnosis*; D003937:Diagnosis, Differential; D018483:Diaphyses / Q000473:pathology; D005260:Female; D005266:Femoral Neoplasms / Q000175:diagnosis*; D006801:Humans; D007150:Immunohistochemistry; D010751:Phosphopyruvate Hydratase / Q000032:analysis; D009418:S100 Proteins / Q000032:analysis; D014746:Vimentin / Q000032:analysis
chemical_list: D009418:S100 Proteins; D014746:Vimentin; D010751:Phosphopyruvate Hydratase