Karol Kosterna is a graduate of the 2nd Faculty of Medicine at the Medical University of Warsaw and the Christian-Albrechts Universität in Kiel (Germany). During his studies, he was associated with the Carolina Medical Center research group led by Dr. MichaÅ DrwiÄga. He was also a member of the ultrasound research club at the Ultrasound Diagnostics Department of the Bródno Hospital. After completing his postgraduate internship in 2017, he began a residency in orthopedics and traumatology of the musculoskeletal system at the Carolina Medical Center.