Abstract
The objective of this study is to present the use of surgical navigation in the selective removal of the anterior table of the frontal sinus in a patient with pneumosinus dilatans. A 16-year-old boy presented with progressive deformity of the forehead and left postauricular sulcus due to pneumosinus dilatans. Reconstruction of the anterior table of the frontal bone was assisted by a surgical navigation system that used data from a preoperative computed tomography scan of the head and neck to map out the boundaries of the frontal sinus. The device enabled selective resection of the anterior table without violation of the cranial cavity.
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