title: Ossifying fibroma of long bone.
mesh_terms: D001859:Bone Neoplasms / Q000473:pathology*; D003937:Diagnosis, Differential; D005350:Fibroma / Q000473:pathology*; D005357:Fibrous Dysplasia of Bone / Q000473:pathology; D006801:Humans; D009999:Ossification, Heterotopic / Q000473:pathology*