Fig. 1Hypervascular nonunions. (A) Elephant foot. (B) Horse hoof. (C) Oligotrophic.
Fig. 2Avascular nonunions. (A) Torsion wedge. (B) Comminuted. (C) Defect. (D) Atrophic.
Fig. 3Classification of nonunions by Paley et al. (A) Type A nonunion. (B) Type B nonunion.
Fig. 4EXOGEN® Smith & Nephew, Inc. USA.
Fig. 5
(A) A 64-year-old man with a right tibio-fibular shaft fracture. (B) OR/IF with tibia nail was performed. (C) Five months after the operation, nonunion had developed (arrow). (D) Dynamization was performed. (E) Eight months after the operation (arrow). (F) Computed tomography (CT) image at 13 months after the operation, nonunion was still seen. (G) After use of EXOGEN® for three months, union had progressed on the CT image. (H) Twenty months after the first operation, union was achieved.
Fig. 6FORTEO® Lilly USA.
Fig. 7
(A) An 84-year-old woman with a left femur shaft insufficiency fracture. (B) OR/IF with femoral nail was performed. (C) With use of FORTEO®, union had progressed at two months after the operation.
Fig. 8
(A) A 25-year-old man with a left femur shaft fracture. (B) OR/IF with femoral nail was performed. (C) Seven months after the operation, nonunion was seen. (D) Dynamization was performed. (E) Two months after dynamization, callus formation was seen. (F) Finally, union was achieved.