title: Chondroblastoma of the patella with a pathologic fracture. A case report.
mesh_terms: D000293:Adolescent; D001859:Bone Neoplasms / Q000150:complications*; D002804:Chondroblastoma / Q000150:complications*; D005598:Fractures, Spontaneous / Q000209:etiology*; D006801:Humans; D008297:Male; D010329:Patella / Q000293:injuries*