Long-Standing Morel-Lavallée Lesions of the Trochanteric Region and Proximal Thigh: MRI Features in Five Patients

The purpose of this study was to review and describe the MRI features of long-standing Morel-Lavallée lesions of the trochanteric region and proximal thigh in five patients with a history of trauma.Long-standing Morel-Lavallée lesions of the trochanteric region and proximal thigh may present various MRI patterns that reflect their variable composition and stage of development. MRI may prove especially useful for characterizing these lesions when the trauma is remote and progressive growth or pain is present.