HEADACH ...* TECHNIQUE : sagittal t1 ,axial t1,axial t2,axial flair,axialdwi,coronal,t1,coronal t2 sequences of the brain were acquired without contrast .....* FINDINGS : no restricted diffusion to suggest acute infarct.scattered nonspecific t2 hyperintense foci within the bilateral subcortical white matter .no parenchymal edema,mass effect,or midline shift. gray-white matter differentiation ispreserved .no evidence of intracranial hemorrhage. no intracranial mass or fluid collection.