HSS Journal

, Volume 5, Issue 2, pp 114–116 | Cite as

Spontaneous Posterior Iliac Crest Regeneration Enabling Second Bone Graft Harvest; A Case Report

  • Elias C. Papadopoulos
  • Patrick F. O’Leary
  • Ioannis P. Pappou
  • Federico P. Girardi
Case Report


We present a case of a revision spinal fusion in which successful bone graft reharvesting was performed from the posterior iliac crest 4 years after initial intracortical harvesting. To date, only anterior iliac crest regeneration has been reported in orthopedic trauma patients. A 70-year-old man with a history of two prior instrumented lumbar fusion operations developed thoracolumbar kyphosis junctional to the lumbosacral fusion mass. His first operation was an instrumented posterolateral lumbar fusion L1 to L5, where bone graft was harvested from the right iliac crest using the intracortical harvesting technique. The second procedure was performed 18 months later and consisted of an extension of the fusion to the sacrum due to L5–S1 level derived symptoms. The bone graft for this procedure was taken with the same technique from the left iliac crest. The development of thoracolumbar junctional kyphosis necessitated the third operation, which consisted of a same-day anterior–posterior extension of the fusion to T10. Prior to this third procedure, a spinal computer tomography was performed that documented regeneration of the cancellous bone in the right iliac crest. This permitted reharvesting of almost 40 ml of cancellous bone using the intracortical bone harvesting technique from the right iliac crest. Histological analysis showed mature bone. Cancellous bone regeneration and restoration of the local anatomy of the ilium are possible after intracortical bone harvesting. This regeneration can provide autologous bone graft to assist fusion in subsequent operations.


posterior iliac crest bone graft intracortical technique bone harvesting reharvesting complications 


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Copyright information

© Hospital for Special Surgery 2009

Authors and Affiliations

  • Elias C. Papadopoulos
    • 1
    • 2
  • Patrick F. O’Leary
    • 2
  • Ioannis P. Pappou
    • 2
    • 3
  • Federico P. Girardi
    • 2
  1. 1.University of Athens, School of MedicineOrthopedic Department, Spine ServiceAthensGreece
  2. 2.Spine ServiceHospital for Special SurgeryNew YorkUSA
  3. 3.Department of Orthopedic SurgeryUniversity of KentuckyLexingtonUSA

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