Pretreatment (upper row) and post-treatment (lower row) axial fluid-attenuated inversion recovery magnetic resonance imaging (MRI) (A) showing resolution of bilateral subdural haematomas (arrowheads) and engorgement of the superior sagittal sinus (arrow) in a 35-year-old man; axial T1-weighted MRIs after intravenous administration of gadolinium (B) showing resolution of enhancement of the pachymeninges (arrowheads) in a 39-year-old woman; and sagittal T1-weighted MRIs showing resolution of sagging of the brain [flattening of the pons with obliteration of the prepontine cistern (arrowheads) and downward displacement of the cerebellar tonsils mimicking a Chiari malformation (arrowhead)] and hyperaemia/enlargement of the pituitary gland (arrow) in a 41-year-old woman. Also note restoration of ventricular size post treatment in all panels.
Schievink W Cephalalgia 2008;28:1345-1356
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