Pelvic reconstruction after subtotal sacrectomy for sacral chondrosarcoma using cadaveric and vascularized fibula autograft

Technical note

Christopher C. Gillis M.D. 2 , John T. Street M.D., Ph.D. 1 , Michael C. Boyd M.D., M.Sc., F.R.C.S.C. 1 and Charles G. Fisher M.D., M.H.Sc., F.R.C.S.C. 1
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  • 1 Combined Neurosurgical and Orthopedic Spine Program, and
  • 2 Department of Surgery—Division of Neurosurgery, University of British Columbia, Vancouver, British Columbia, Canada
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A novel method of spinopelvic ring reconstruction after partial sacrectomy for a chondrosarcoma is described. Chondrosarcoma is one of the most common primary malignant bone tumors, and en bloc resection is the mainstay of treatment. Involvement of the pelvis as well as the sacrum and lumbar spine can result in a technically difficult challenge for en bloc resection and for achievement of appropriate load-bearing reconstruction.

After en bloc resection in their patient, the authors achieved reconstruction with a rod and screw construct including vascularized fibula graft as the main strut from the lumbar spine to the pelvis. Additionally, a cadaveric allograft strut was used as an adjunct for the pelvic ring. This is similar to a modified Galveston technique with vascularized fibula in place of the Galveston rods. The vascularized fibula provided appropriate biomechanical support, allowing the patient to return to independent ambulation. There was no tumor recurrence; neurological status remained stable; and the allograft construct integrated well and even increased in size on CT scans and radiographs in the course of a follow-up longer than 7 years.

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Contributor Notes

Address correspondence to: Charles G. Fisher, M.D., M.H.Sc., F.R.C.S.C., Blusson Spinal Cord Centre, 6th Floor, 818 W. 10th Ave., Vancouver, BC V5Z 1M9, Canada. email: charles.fisher@vch.ca.

Please include this information when citing this paper: published online August 1, 2014; DOI: 10.3171/2014.6.SPINE13657.

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