A 70-year-old female patient was presented to the emergency department with complaints of multiple episodes of seizures followed by sudden onset loss of consciousness. The Past Medical History There was a history of a headache since 1 week with 2 episodes of vomiting. She was a known type II diabetic since 10 years, poorly compliant to oral hypoglycemic medication and also having diabetic nephropathy. Imaging studies Her neurological examination was unremarkable.

Magnetic resonance imaging (MRI) of the brain revealed a large cerebrospinal fluid (CSF) signal intensity (Images attached) There was no evidence of restriction of diffusion or blooming on gradient sequences. What diagnosis can be inferred from the scans for this patient? *This case is from Docplexus Editorial Team and is meant for educative purpose only.