Idiopathic intracranial hypertension presenting as postpartum headache

Magnetic resonance imaging of brain (axial fluid attenuated inversion recovery image [A] and sagittal T1 weighted image [B]) showing normal brain parenchyma (no evidence of vasogenic edema of eclamptic encephalopathy or posterior reversible encephalopathy syndrome in the bilateral occipital region, or intra- or extra-axial brain tumor) and cerebral venogram (time of flight image [C]) showing normal major dural venous sinuses. AL - anterolateral, R - right