Clinical question: Structural cause for migraine. Signs and symptoms: Headache. Nonenhanced brain MRI:Diffusion weighted images demonstrate no abnormalities.There is normal anatomical morphology and signal intensity to brain parenchyma on all MRI sequences.Unremarkable cerebral cortex, cortical sulci, ventricular system, CSF spaces and brain myelination.The signal void of major intracranial arterial branches are identified.The signal intensity of intracranial venous sinuses are within normal.Calvarium and soft tissues of the scalp are unremarkable.Unremarkable images through the orbits, paranasal sinuses and mastoid air cells.
Negative nonenhanced brain MRI.