Case Report: Chronic Morel-Lavallee lesion: dynamic MRI progression, histopathological findings and surgical treatment.

ABSTRACT:

Background

The Morel-Lavallée lesion (MLL) is a closed soft tissue avulsion injury resulting from shear force trauma. Chronic Morel-Lavallée lesions present significant management challenges due to the formation of fibrous caps, persistent fluid accumulation, and a tendency for recurrence. Nevertheless, the pathogenesis and imaging characteristics of these lesions remain poorly understood.

Methods

This study presents a case of a chronic Morel-Lavallée lesion located in the right hip, with a disease progression lasting over 10 years. The MRI characteristics of the lesion were compared across different stages. The patient underwent open resection of the lesion, along with excision of excess skin and subcutaneous tissue, followed by negative-pressure drainage surgery. The effic

SUBMITTER: Mao B 

PROVIDER: S-EPMC13626997 | biostudies-literature | 2026

REPOSITORIES: biostudies-literature