3. Baseline characteristics and treatment
A total of 74 patients were enrolled in this study. Mean age was 60 years and 69% was male. Baseline characteristics and treatment are presented in table 2.
Mean follow-up was 3.2 years. In this population no patients had a malignant transformation of the tumour.
In five patients there was a small defect of the lamina papyracea (with the peri-orbit still intact) and in two patients there was a small cribriform plate defect without liquorrhea. All other procedures were without complications.
Postoperatively, one patient experienced bleeding, which was successfully treated with a tamponade. Another patient had bleeding that eventually required unilateral clipping of the sphenopalatine artery. Additionally, two patients developed infected wound beds in the postoperative period, which required oral antibiotic treatment.