Figure 2.

A case of spontaneous cerebrospinal fluid. (A) Computed tomography cisternogram showing contrast accumulation at the level of the bony dehiscence in the right cribriform plate and fovea ethmoidalis. (B) Magnetic resonance imaging for the same patient showing accumulation at the same site. (C) Intraoperative endoscopic (0 degrees) view of the same case showing cribriform plate defects in fovea ethmoidalis adjacent to anterior ethmoidal artery. (D) Postoperative (4 years) of the same case showing vascularized dura without prolapse at the site of duraplasty (arrows).