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Morel-Lavallee injury a case study.

Karen M Myrick1,2, Stephen Davis1

  • 1Orthopedic Associates of Hartford Hamden Connecticut.

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Summary

Morel-Lavallee lesions are post-traumatic soft-tissue degloving injuries often mistaken for hematomas. Early diagnosis and treatment are crucial to prevent complications like infection and tissue necrosis.

Keywords:
DeglovingMorel‐Lavallee lesionsoft tissue injurytrauma

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Area of Science:

  • Traumatology
  • Orthopedic Surgery
  • Dermatology

Background:

  • Morel-Lavallee lesions (MLLs) are a distinct type of soft-tissue injury.
  • These injuries result from shearing forces causing separation of the skin and subcutaneous tissue from the underlying fascia.
  • They are frequently misdiagnosed, leading to delayed or inappropriate management.

Observation:

  • MLLs present as palpable, often fluctuant masses.
  • Radiographic imaging may show features suggestive of a hematoma or cystic collection.
  • Clinical awareness is key, as imaging alone can be misleading.

Findings:

  • The hallmark of MLLs is the degloving of the skin and subcutaneous tissue.
  • Delayed treatment increases the risk of complications.
  • Potential complications include superinfection, expansion of the lesion, and overlying tissue necrosis.

Implications:

  • Increased clinician awareness of MLLs is essential for accurate diagnosis.
  • Prompt and appropriate management can prevent serious complications.
  • Timely intervention leads to improved patient outcomes and reduces the risk of long-term morbidity.