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Related Experiment Video

Updated: Jun 12, 2026

The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve
09:51

The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve

Published on: September 7, 2022

Total hip replacement pseudotumoral osteolysis.

A Bourghli1, T Fabre, P Tramond

  • 1Orthopedic Surgery Department, Pellegrin Hospital, place Amélie-Rabat Léon, 33000 Bordeaux, France. anouar.bourghli@gmail.com

Orthopaedics & Traumatology, Surgery & Research : OTSR
|May 22, 2010
PubMed
Summary

Pseudotumoral lesions can occur after total hip replacement with metal-on-polyethylene implants. Early surgical revision is crucial for managing these granulomatous lesions and preventing fractures.

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Area of Science:

  • Orthopedic Surgery
  • Biomaterials Science
  • Radiology

Background:

  • Total hip replacement (THR) with metal-on-polyethylene (MoP) bearings is a common orthopedic procedure.
  • Wear debris from MoP implants can potentially lead to adverse tissue reactions.
  • Pseudotumoral lesions are a rare but serious complication following THR.

Observation:

  • Three cases of pseudotumoral lesions secondary to THR with MoP bearings were observed.
  • Lesions presented with two distinct macroscopic appearances: classic inflammatory granuloma and hematoma with gluteal vessel lesions.
  • Radiographic and CT-scan imaging were essential for diagnosis, extension assessment, and surrounding tissue analysis.

Findings:

  • Histological analysis confirmed granulomatous lesions related to wear debris in all cases.

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Last Updated: Jun 12, 2026

The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve
09:51

The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve

Published on: September 7, 2022

  • Arteriography is indicated for liquid lesions, and biopsy may be considered based on clinical presentation.
  • Early surgical revision is the recommended treatment to prevent complications like pathologic fractures.

    • Implications:

    • This study highlights the importance of recognizing pseudotumoral lesions as a potential complication of MoP THR.
    • Timely diagnosis and surgical intervention are critical for successful management and improved patient outcomes.
    • Understanding the pathogenesis of these lesions can inform the development of improved bearing materials and surgical techniques.