Sandwich-like reconstruction of anterior skull base defects

RESULTS From October, 1984 to October, 1998, 116 patientsunderwent transcranial or transcranial-facial approach forthe resection of malignant or benign aggressive tumor, andsandwich-like repairs were performed for the anterior skullbase defect. Fifty-four (46.6%) patients had previous ope-ration, with a maximum of 5 surgeries. The average age ofpatients was 35.9 years old,ranging from 6 to 73 years old.Forty-eight (41.4%) Patients had malignant neoplasmas, in-