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Hybrid Fixation Utilizing a Custom Stem Extension for the Treatment of Periprosthetic Femoral Nonunions Around Well-Fixed Cylindrical Femoral Stems by Abdulrahman D. Algarni, and John Antoniou JBJS Case Connect Volume 3(4):e105 October 9, 2013 ©2013 by The Journal of Bone and Joint Surgery, Inc.

Hybrid Fixation Utilizing a Custom Stem Extension for the Treatment of Periprosthetic Femoral Nonunions Around Well-Fixed Cylindrical Femoral Stems by

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Page 1: Hybrid Fixation Utilizing a Custom Stem Extension for the Treatment of Periprosthetic Femoral Nonunions Around Well-Fixed Cylindrical Femoral Stems by

Hybrid Fixation Utilizing a Custom Stem Extension for the Treatment of Periprosthetic Femoral Nonunions Around

Well-Fixed Cylindrical Femoral Stems

by Abdulrahman D. Algarni, and John Antoniou

JBJS Case ConnectVolume 3(4):e105October 9, 2013

©2013 by The Journal of Bone and Joint Surgery, Inc.

Page 2: Hybrid Fixation Utilizing a Custom Stem Extension for the Treatment of Periprosthetic Femoral Nonunions Around Well-Fixed Cylindrical Femoral Stems by

Anteroposterior radiograph of the left femur showing a hypertrophic nonunion with broken hardware (Case 1).

Abdulrahman D. Algarni, and John Antoniou JBJS Case Connect 2013;3:e105

©2013 by The Journal of Bone and Joint Surgery, Inc.

Page 3: Hybrid Fixation Utilizing a Custom Stem Extension for the Treatment of Periprosthetic Femoral Nonunions Around Well-Fixed Cylindrical Femoral Stems by

The existing femoral stem (A), the custom tapered adaptor sleeve (B), and the custom stem extension with the interlocking screw holes (C) are shown (Case 1).

Abdulrahman D. Algarni, and John Antoniou JBJS Case Connect 2013;3:e105

©2013 by The Journal of Bone and Joint Surgery, Inc.

Page 4: Hybrid Fixation Utilizing a Custom Stem Extension for the Treatment of Periprosthetic Femoral Nonunions Around Well-Fixed Cylindrical Femoral Stems by

Anteroposterior (Figs. 3-A and 3-B) and lateral (Figs. 3-C and 3-D) radiographs demonstrate the union with the custom implants in situ (Case 1).

Abdulrahman D. Algarni, and John Antoniou JBJS Case Connect 2013;3:e105

©2013 by The Journal of Bone and Joint Surgery, Inc.

Page 5: Hybrid Fixation Utilizing a Custom Stem Extension for the Treatment of Periprosthetic Femoral Nonunions Around Well-Fixed Cylindrical Femoral Stems by

Preoperative anteroposterior (Fig. 4-A) and lateral (Fig. 4-B) radiographs of the left femur (Case 2).

Abdulrahman D. Algarni, and John Antoniou JBJS Case Connect 2013;3:e105

©2013 by The Journal of Bone and Joint Surgery, Inc.

Page 6: Hybrid Fixation Utilizing a Custom Stem Extension for the Treatment of Periprosthetic Femoral Nonunions Around Well-Fixed Cylindrical Femoral Stems by

Figs. 5-A and 5-B Anteroposterior views of the existing femoral stem (green), the custom tapered adaptor sleeve (blue), and the custom stem extension with the interlocking screw holes (arrow)

(Case 2).

Abdulrahman D. Algarni, and John Antoniou JBJS Case Connect 2013;3:e105

©2013 by The Journal of Bone and Joint Surgery, Inc.

Page 7: Hybrid Fixation Utilizing a Custom Stem Extension for the Treatment of Periprosthetic Femoral Nonunions Around Well-Fixed Cylindrical Femoral Stems by

Anteroposterior (Fig. 6-A) and lateral (Fig. 6-B) radiographs showing the healed nonunion with the custom implants in situ (Case 2).

Abdulrahman D. Algarni, and John Antoniou JBJS Case Connect 2013;3:e105

©2013 by The Journal of Bone and Joint Surgery, Inc.