Fig. 2 Six-month-old baby girl, case of Trigonocephaly. A , B Preoperative 3D CT scan. C , D One-day postoperative. E Illustration of the single bone flap that was used in its original position in a trigonocephaly patient as the single bone flap after it was completely removed of anterior vault of the cranium as one piece till supraorbital rim and rotated