A 45-year-old man presented to a neurosurgeon with complaints of severe headache, nausea, and intermittent episodes of blurred vision over the past month. Recently, he experienced weakness in his left arm and slurred speech. His wife reported occasional personality changes and difficulty concentrating. The patient had no history of trauma, seizures, or significant illnesses. On physical examination: Papilledema observed on fundoscopic examination Left-sided hemiparesis (4/5 muscle strength) Mild dysarthria The neurosurgeon ordered the following diagnostic studies: 1.
MRI of the brain with contrast 2. CSF analysis (via lumbar puncture) Laboratory Findings. MRI of the brain: A heterogeneously enhancing mass lesion with surrounding edema in the right frontal lobe, exhibiting the "butterfly sign" crossing the corpus callosum. CSF analysis: Normal cell counts and protein levels, with no…
