Case Report: Stage VI Morel-Lavallée Lesion with a Large Challenging Defect

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Abstract
Summary: Morel-Lavallée lesion (MLL) is a closed degloving soft-tissue injury that results in the accumulation of a hemolymphatic fluid between the skin/superficial fascia and the deep fascia. This is a rare injury that may be challenging to diagnose, and necessitates early identification and treatment to achieve the best outcomes. We report the case of a 45-year-old male patient who was referred to our institution for large wound closure after undergoing debridement of a misdiagnosed MLL that became complicated by infection and sepsis. The patient was retrospectively diagnosed with a Stage VI MLL and had to undergo 4 operations with skin grafting and vacuum-assisted closure therapy playing an essential role in achieving tissue closure. This case was presented as a reminder of this rare diagnosis, and the importance of considering it when faced with a patient presenting with a relevant clinical picture post trauma. An early diagnosis is important because early intervention can prevent complications and lead to better outcomes. The misdiagnosis in the case of our patient and delayed treatment led to an aggressive debridement with a large wound that was challenging to close.

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