at the age of 18, the patient experiences a wintersport accident, leading to a severe hematoma in the lower back; a RX scan is made and analyzed at the foreign holiday location, after which the patient is sedated and transferred to his home country, where he undergoes various medical scans (RX, MRI, bone scan with chemical tracer); the patient is referred to kinesitherapy for four months and is discharged with the instructions to continue performing regular sports activities, which should drain the hematoma and relieve the pain;