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Function after pelvic tumour resection involving the acetabular ring

U Nilsonne, A Kreicbergs, E Olsson

    International Orthopaedics
    |January 1, 1982
    PubMed
    Summary
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    Pelvic tumor resection involving the acetabular ring is a viable alternative to hemipelvectomy. Functional outcomes, including pain and mobility, were better than clinical assessments indicated, highlighting the importance of bony support.

    Area of Science:

    • Orthopedic Oncology
    • Reconstructive Surgery
    • Biomechanics

    Background:

    • Pelvic tumor resection involving the acetabular ring presents significant functional challenges.
    • Assessing functional outcomes requires objective measures beyond conventional clinical evaluation.

    Purpose of the Study:

    • To evaluate the functional outcomes of patients undergoing pelvic tumor resection involving the acetabular ring.
    • To compare patient-reported functional results with objective clinical and biomechanical assessments.

    Main Methods:

    • Conventional clinical assessment, objective gait analysis using an electronic walk-way, and hip-muscle power testing with a Cybex II dynamometer were employed.
    • Radiographic examination assessed the bony support for the proximal femur.

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    Main Results:

    • Patient-reported outcomes for pain, walking, and working capacity were more favorable than clinical findings suggested.
    • Objective gait analysis revealed reduced weight-bearing time on the operated side, correlating with functional capacity.
    • Hip extension power was identified as a crucial factor for functional recovery, more so than flexion or abduction.

    Conclusions:

    • Pelvic tumor resection involving the acetabular ring is a feasible alternative to hemipelvectomy when radical tumor removal is achieved.
    • Adequate bony support for the proximal femur is critical for successful functional outcomes post-resection.