According to the reporter there was a revision of a device implanted during a cranioplasty procedure.The device was implanted after expander-use.Implantation was significantly delayed because of an accident.After implantation the skin was dehiscent about 1cm, so that the device could be seen through the skin.Explantation was performed with chrome inflammatory reaction because of a reaction of the subcutaneous fat.Patient's skin expanded after irradiation and chronic wound infection.