Morel-Lavallée lesion is a post-traumatic degloving cyst, usually filled with 
blood, lymph or necrotic tissue, which mostly develops in the area around 
greater trochanter. Early diagnosis and prompt treatment is essential to prevent 
further complications, such as compression of surrounding structures. X-rays 
have limited use and magnetic resonance imaging (MRI) is the modality of choice 
in diagnosing the lesion. We report a case of a 35-year female presenting with 
left thigh pain after a fall from motorcycle almost 21/2 years ago. Ultrasound 
and MRI confirmed the presence of Morel-Lavallée lesion involving the left 
pelvis and upper thigh. Given the chronicity of lesion and extensive tissue 
involvement, the patient underwent surgical excision of the lesion with 
favourable long-term outcomes. In this case report and literature review, we 
discuss the pathophysiology, clinical presentation, radiological findings and 
management options for Morel-Lavallée lesion. Key Words: Morel-Lavallée lesion, 
Post-traumatic cyst, Degloving Injury, Tangential cyst.