Reconstruction of the Anterior Skull Base by Galeo-Periosteal Flap with calvarial Bone

Abstract

The patient was a 23-year-old female with adenocarcinoma of nasal cavity. Previously she had resection of tumor by transal approach. But she visited our hospital because of recurrence of tumor. From findings of CT, MRI, and X-P examination performed prior to the reoperation of this time, it was confirmed that the tumor invaded the anterior skull base. The tumor was removed by combined craniofacial approach, and a defect of 3×1.5cm in size was formed in the anterior skull base. An axial galeo-p eriosteal flap, which was based on the superficial temporalartery, was applied for reconstruction of skull base. Moreover a part of the outer-table of calvarial bone attached with the flap was used for bone reconstruction of skull base. After that, from the nasal side, split-thickness skin graft was sutured to the inferior surface. Postoperative results was successul and she was discharged without complication after 6 weeks.It is considered that this surgical technigue i suseful for reconstruction of defecet in the anterior skull base.