Intracranial arterial dolichoectasia and superficial siderosis associated to neurofibromatosis type 1: report of one case
Letter to the Editor
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A 40-year-old man was admitted to the emergency department for acute onset of right hemiparesis and intense headache. He had a medical history of neurofibromatosis type 1 (NF1) and idiopathic generalized epilepsy with generalized onset tonic-clonic seizures. Both diagnoses had been made when the patient was just 5 years old. He had been seizure-free for the last 9 years. A computed tomography (CT) scan of the head and a CT angiography of cerebral and carotid arteries were performed. There were no established stroke or arterial occlusion, but a vertebrobasilar dolichoectasia and a saccular aneurysm of the cerebral media artery were found (Fig. 1a). Given the acute intense headache, a lumbar puncture was made, obtaining normal results. Due to high suspicion of a lacunar stroke, he was admitted to our stroke unit. A brain magnetic resonance imaging (MRI) showed a subacute left pontine ischemic stroke (Fig. 1b) and diffuse cerebral superficial siderosis (SS) (Fig. 2)....
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Conflict of interest
The authors declare that they have no conflict of interest.
Informed consent was obtained from all individual participants included in the study.
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