Convexity meningiomas enhanced by sodium fluorescein
A 72-year-old male with recurrence of an atypical meningioma, involving both frontal convexity and superior sagittal sinus (SSP). A partial removal of the bifrontal mass with residual tumor in the SSP, with transoperative SF administration, showed strong evidence of dural and tumoral dye enhancement [Figures and ]. Dural removal at the surrounding meningioma site was also enhanced by SF; there was evidence of meningioma presence in the histological analysis []. Cytogenetic analysis showed sexual chromosome Y deletion. The patient had a good neurological outcome.