Intracranial spread of a giant frontal mucocele: case report.

A giant mucocele eroded both the anterior and posterior wall of the frontal sinus and infiltratedthe dura mater. Its extracranial growth caused a frontal bony prominence. The tumour and part of the durawere resected. A 126 cm defect in the dura was repaired with a freeze-dried patch. A split-thickness bonegraft from the right parietal region was used to repair the anterior frontal bony defect. The result one yearlater was satisfactory. Spiral computed tomography with three-dimensional reconstructions excluded anyrecurrence of the tumour and showed good integration of bone grafts. © 2000 The British Association of Oraland Maxillofacial Surgeons