title: Benign chondroblastoma: report of four cases with a discussion of the presence of ossification.
mesh_terms: D000293:Adolescent; D000328:Adult; D001859:Bone Neoplasms / Q000150:complications* / Q000000981:diagnostic imaging / Q000378:metabolism / Q000473:pathology; D002804:Chondroblastoma / Q000150:complications* / Q000000981:diagnostic imaging / Q000378:metabolism / Q000473:pathology; D003094:Collagen / Q000378:metabolism; D005260:Female; D005360:Fibula / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D008722:Methods; D008859:Microscopy, Polarization; D009364:Neoplasm Recurrence, Local; D009999:Ossification, Heterotopic / Q000150:complications*; D010384:Pelvic Bones / Q000000981:diagnostic imaging; D011859:Radiography; D013977:Tibia / Q000000981:diagnostic imaging
chemical_list: D003094:Collagen