title: Polyostotic fibrous dysplasia.
abstract: Fibrous dysplasia, a bone dysplasia of unknown pathogenesis, may be either monostotic or polyostotic. Not only is the femur involved in nearly all cases of the polyostotic form, but a distinct unilateral predilection is often noted. The following case illustrates the classic polyostotic changes.
mesh_terms: D000328:Adult; D004164:Diphosphonates; D005357:Fibrous Dysplasia of Bone / Q000175:diagnosis*; D005359:Fibrous Dysplasia, Polyostotic / Q000175:diagnosis* / Q000000981:diagnostic imaging; D006801:Humans; D007866:Leg; D008297:Male; D011859:Radiography; D011877:Radionuclide Imaging; D012886:Skull; D013667:Technetium; D013669:Technetium Tc 99m Medronate
chemical_list: D004164:Diphosphonates; D013667:Technetium; D013669:Technetium Tc 99m Medronate