title: Periosteal bone apposition in chondroblastoma.
abstract: Periosteal bone apposition in chondroblastoma of long bones is more frequent than generally recognized. This should not cause confusion in differential diagnosis. The findings does not seem to have prognostic significance.
mesh_terms: D000293:Adolescent; D000328:Adult; D001859:Bone Neoplasms / Q000000981:diagnostic imaging / Q000503:physiopathology*; D002648:Child; D002804:Chondroblastoma / Q000000981:diagnostic imaging / Q000503:physiopathology*; D005260:Female; D006801:Humans; D008297:Male; D010012:Osteogenesis; D010521:Periosteum / Q000000981:diagnostic imaging / Q000503:physiopathology*; D011859:Radiography