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  • Malunited and malrotated Salter-Harris type I fracture of distal femur managed with circular ring external Ilizarov fixator

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Case report
Malunited and malrotated Salter-Harris type I fracture of distal femur managed with circular ring external Ilizarov fixator
  1. Muhammad Saad Ilyas1,
  2. Uruj Zehra2,
  3. Nimra Ijaz3 and
  4. Amer Aziz1
  1. 1Orthopedics & Spine Surgery, Ghurki Trust Teaching Hospital, Lahore, Pakistan
  2. 2Department of Anatomy, University of Health Sciences, Lahore, Pakistan
  3. 3Physical Therapy, Ghurki Trust Teaching Hospital, Lahore, Pakistan
  1. Correspondence to Professor Amer Aziz; spinedoc1956{at}gmail.com

Abstract

A 9-year-old girl presented with malunited Salter-Harris type I fracture of distal femur treated by bone-setter (unreliable-practitioner). Assessment revealed 3 cm limb-length-discrepancy and affected leg was unable to bear weight, knee was stiff with no active-range of motion; radiographs showed displaced sagittally malunited femoral condyle with 163° posterior distal femoral angle (PDFA). Correction planned with circular-ring-external Ilizarov fixator using distraction-osteogenesis through supracondylar osteotomy and gradual anterior opening. Partial weight bearing allowed from first postoperative day on walker. Eight weeks follow-up showed restored anatomical position of femoral condyle and PDFA. During anterior-distraction and angulation correction, tibia subluxated posteriorly, for that assembly extended to tibia which gradually translated tibia anteriorly and reduced knee. Twenty weeks after removal of assembly patient was advised knee-ankle-foot-orthosis. At 40 weeks of frame removal, patient was walking without support and pain. Managing such rare injuries with distraction-osteogenesis technique allows gradual correction and monitoring, till desirable degree of correction is achieved.

  • orthopaedics
  • orthopaedic and trauma surgery

https://doi.org/10.1136/bcr-2020-240195

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    Footnotes

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    • Contributors MSI was the attending surgeon, collected details about the case, gained consent from the patient and performed all the follow-up and assessment and recorded the data. UZ performed the background research on the case and wrote the manuscript. NI assisted in follow-up and performed physiotherapy of patient. AA supervised and provided expertise in surgical and clinical assessment. All the authors read and approved the final draft of the paper.

    • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

    • Competing interests None declared.

    • Provenance and peer review Not commissioned; externally peer reviewed.