Use of a Cannulated, Percutaneous Expandable Reamer for Physeal Sparing Excision of a Femoral Head Chondroblastoma

J Am Acad Orthop Surg Glob Res Rev. 2023 Sep 12;7(9):e23.00012. doi: 10.5435/JAAOSGlobal-D-23-00012. eCollection 2023 Sep 1.

Abstract

The treatment of chondroblastoma in the epiphysis of the femoral head in skeletally immature individuals is challenging and often requires surgical hip dislocation. We present a unique method of percutaneous use of an expandable reamer (X-REAM, Wright Medical) to treat a chondroblastoma of the femoral head in a 9-year-old boy without requiring surgical hip dislocation. The described technique provides access to the tumor in the proximal femoral epiphysis and local tumor control. However, the approach involves placing a cannula through the epiphyseal plate, resulting in partial premature epiphyseal closure. At 5 years after surgery, the patient has an asymptomatic leg-length discrepancy and radiographic evidence of premature physeal closure, but no restrictions on activity or evidence of local recurrence. A percutaneous expandable reamer can be used to treat chondroblastoma of the femoral head while avoiding surgical hip dislocation.

Publication types

  • Case Reports

MeSH terms

  • Bone Neoplasms* / diagnostic imaging
  • Bone Neoplasms* / surgery
  • Child
  • Chondroblastoma* / diagnostic imaging
  • Chondroblastoma* / surgery
  • Femur Head / surgery
  • Growth Plate / surgery
  • Hip Dislocation*
  • Humans
  • Male