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  • Title: Unilateral coronal synostosis treated by internal forehead distraction.
    Author: Kobayashi S, Honda T, Saitoh A, Kashiwa K.
    Journal: J Craniofac Surg; 1999 Nov; 10(6):467-71; discussion 472. PubMed ID: 10726497.
    Abstract:
    A 1-year-old infant with left hemicoronal synostosis was treated by distraction osteogenesis of the craniofacial skeleton using an internal distraction device. Surgery was performed through a coronal incision. The frontal bone and upper half of both orbits were first osteotomized en bloc after minimal epidural dissection of the supraorbital area and no epidural dissection around the coronal osteotomy site. The lateral one fourth of the frontal bone, including the right lateral half of the orbit, was left intact. The internal distraction device was fixed in the left temporal area. A 0.5-mm per day rate of distraction was performed up to an elongation of 17 mm after a 5-day latency period. The distraction device was removed after a consolidation period of 2 months. The results obtained were satisfactory, with symmetry of the forehead, orbit, and nose achieved without complications. The merits of this procedure are no extradural dead space after the operation (which prevents infection), shortened operative time, reduced blood loss, filling in the bone gap created by advancement with new bone, acceptable cosmesis by the parents during distraction, and no fixation device left after the second operation.
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