1 Introduction Morel-Lavallée lesion, first described by Dr. Victor-Auguste-François Morel-Lavallée in 1863, is a degloving injury arising from traumatic shearing forces (Morel-Lavallée 1863). Acutely, a fluid-filled cavity is formed in the prefascial plane after separation of the subcutaneous tissues from underlying fascial layers. Lesions may resolve spontaneously; however, inflammation may lead to a fibrous capsule over time, becoming chronic. The fibrous capsule may calcify (Singh et al.