Prince Sultan Medical Complex
Reem Zakzouk has completed her MBBS from King Saud University School of Medicine. Joined the Saudi Board in Diagnostic Radiology 2011.
Arachnoid cysts are benign, congenital, intraarachnoidal space-occupying lesions that are filled with CSF (Cerebrospinal fluid). We report an unusual case of a multi-compartmental arachnoid cyst of 26 year old male who complained of gradually increasing headache. computed tomography and magnetic resonance imaging revealed a large arachnoid cyst involving the left middle and anterior cranial fossae with sub-falcine extension into the right anterior cranial fossa.