Diagnosis: Other specified disorders of muscleClinical question: STROKE ROSigns and Symptoms: L WEAKNESS MRI of the brainNo diffusion weighted abnormalities are appreciated.The CSF spaces are appropriate for the patient's stated age with no midline shift. No intracranial hemorrhage is identified. No edema is identified within the brain parenchyma.Normal vascular flow voids are present in the distal carotid and vertebral arteries, the basilar artery and the proximal anterior, middle and posterior cerebral arteries as well as the internal cerebral veins and superior sagittal sinus.The visualized portions of the paranasal sinuses demonstrate small mucous retention cyst in the right maxillary sinus. The visualized portions of the mastoid air cells are clear. The visualized portions of the orbits are intact.MRA brain:Antegrade flow is present in the distal internal carotid arteries, the distal vertebral arteries, the basilar artery and the proximal anterior, middle and posterior cerebral arteries. There is proximal bifurcation of the right middle cerebral artery.There is no evidence for intracranial aneurysm or cerebrovascular occlusion.The anterior communicating artery is identified and is medium size. There is fetal origin of the posterior cerebral arteries bilaterally with associated small P1 segments. The A1 segments are similar in diameter.MRA neck:There is opacification of the aortic arch, great vessels from the aortic arch and carotid arteries and vertebral arteries. There is no stenosis identified of the great vessels from the aortic arch. On the basis of NASCET criteria there is no significant stenosis at the carotid bifurcations. There is no significant stenosis along the course of the vertebral arteries. The thyroid gland has a somewhat heterogeneous appearance.
1.No evidence for intracranial aneurysm.2.No evidence for intracranial or extracranial cervicocerebral vascular occlusive disease.3.There is no evidence for acute cerebral ischemic infarction.4.Heterogeneous appearance to the thyroid gland is a nonspecific finding.