Human Bone Graft in Epiphysiodesis

Inclusion Criteria: * Planned epiphysiodesis to stop the growing of a bone indicated by leg length discrepancies or primordial gigantism * Age 10-18 years * Written consent to participate in the study after previous written and oral education (additional consent for the participation of minors in the study after prior written and oral education by at least one parent) Exclusion Criteria: * Insufficient knowledge of the german language * Foreseeable compliance issues * Neoplastic diseases, malignant bone tumors, rheumatoid arthritis * Patients with non-treated pre-existing conditions, which could be the cause of leg length differences * Active osteomyelitis * Ulcerations in the area of the skin of the surgical area * Immunosuppressive drugs that can not be discontinued