Morel Lavallee lesion is a post-traumatic soft tissue injury that subcutaneous tissue to seperate from the underlying fascia. Although closed degloving injuries are uncommon, they can cause complications requiring multiple surgical interventions. These injuries can lead to chronic symptoms, such as pain, sensibility and swelling, affecting the patient’s quality of life. In the even date examination of a 54-year-old male who was run over by a truck in 2019, it was observed that there was tenderness in the lumbar region and right femur, hematoma and an increase in diameter in the right femur. In the examination performed 3 days after the traffic accident, it was determined that there was a subcutaneous fluid accumulation from the right lumbar region to the knee and up to the distal left glutea, and it was aspirated with an incision. The case who applied to the outpatient clinic in 2020 for disability evaluation had complaints of swelling in both thighs, pain and limpness in walking, sequelae changes that were considered to be related to the accident were determined in the examination, and his disability rate was performed within the context of relevant guideline. It is thought that discussing such a rare case in forensic medicine practice in the light of literature will contribute to forensic medicine practices.