Sinus Pericranii With Dural Venous Lakes in a Woman With a Pulsatile Frontal Mass

A 29-year-old woman presented to us with complaints of insidious onset, slowly progressive, nonpulsatile frontal swelling (Video 1) for the past 9–10 years. The swelling was intermittent and it increased on bending forward and activities involving Valsalva maneuver. MRI brain showed an oval well-defined contrast-enhancing lesion in the subgaleal location, which was in communication with the superior sagittal sinus (SSS). Digital subtraction angiography (Figure) revealed frontal sinus pericranii with prominent dural venous lakes.

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