title: [Isolated sphenoidal tumor localization in a child, disclosing histiocytosis X].
abstract: A case of isolated sphenoidal tumor localization in a child without any endocrinological disorder and revealing an histiocytosis X is reported. This mode of presentation is extremely rare. The diagnosis of histiocytosis X must be evoked and proved in lesions of the sellar region in children.
mesh_terms: D001859:Bone Neoplasms / Q000556:secondary; D002675:Child, Preschool; D006646:Histiocytosis, Langerhans-Cell / Q000175:diagnosis*; D006801:Humans; D008297:Male; D012888:Skull Neoplasms / Q000175:diagnosis*; D013100:Sphenoid Bone; D013997:Time Factors; D014057:Tomography, X-Ray Computed
vernacular_title: Localisation tumorale sphénoïdale isolée chez un enfant, révélatrice d'une histiocytose X.