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Extreme ectasia of the femoral diaphysis secondary to loosening of a long Wagner stem Case report

Extreme ectasia of the femoral diaphysis secondary to loosening of a long Wagner stem Case report R. Ganz Dept. Orthopaedic Surgery University of Berne Switzerland. Ortho Uni Berne. 62 y old female referred for treatment of failed THA

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Extreme ectasia of the femoral diaphysis secondary to loosening of a long Wagner stem Case report

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  1. Extreme ectasia of the femoral diaphysis secondary to loosening of a long Wagner stem Case report R. Ganz Dept. Orthopaedic Surgery University of Berne Switzerland Ortho Uni Berne

  2. 62 y old female referred for treatment of failed THA At the age of 14 hip arthrodesis after several operations for DDH on the right side At the age of 24 corrective osteotomy for malunion of the arthrodesis Ortho Uni Berne

  3. Ortho Uni Berne

  4. At the age of 54 conversion of the arthrodesis in a non-cemented THA (Wagner revision stem) Ortho Uni Berne

  5. Ortho Uni Berne

  6. At the age of 57 ipsilateral TKA although the femoral component of the THA is loose Ortho Uni Berne

  7. Ortho Uni Berne

  8. Ortho Uni Berne

  9. At the age of 62 the patient is wheel chair dependent. The right hip is telescoping with variable shortening from 5 to 8 cm. Hip and thigh are very painful. Knee motion is restricted to 20° of flexion to full extension. There is impressive expansion of the medullary canal and market thinning of the cortical bone. Sclerotic obliteration of the medullary canal distal to the expansion. Ortho Uni Berne

  10. Ortho Uni Berne

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  14. Surgical plan Transfemoral approach Revision acetabular component Inside out osteotomy of the ectasic femur into longitudinal strips Cutting of the distal junction of the strips with normal femoral shaft Opening the sclerotic medullary cup and reaming distal cavity Insertion largest available Wagner stem Three level wire cerclage of the strips onto the prothesis Ortho Uni Berne

  15. Ortho Uni Berne

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  19. Result at two years Consolidation femoral bone around prothesis Prothesis well fixed Leg shortening 2 cm Hip motion reduced by 30% Knee flexion improved from 20° to 30° Patient needs a cane and is pain-free Ortho Uni Berne

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