“…Therefore the number of papers dedicated to upper limb (12)(13)(14)(15) and lower limb (16)(17)(18) is completed with publications about spine and pelvic trauma (19,20). Other fields of interest with substantial results are published in the study of the LeggCalvé-Perthes disease (21) and in the pediatric oncology (22) Training to develop medical thinking and surgical skills is a complex journey.…”