“…[2] On the other hand, K-wire migration is the critical complication which may even result in possible mortality. [3] To the best of our knowledge, there have been only a few reports in the pediatric population with late-term migration of pelvic K-wire. [3][4][5][6] In this case report of a patient with spastic type cerebral palsy sequel, following surgical treatment of developmental hip dysplasia, we presented the migration of the K-wire used in the stabilization of pelvic osteotomy, in the psoas muscle at the retroperitoneal region.…”