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Multiple dural arteriovenous fistulas showing isolated subcortical white matter T<sub>2</sub> hyperintensity with gadolinium enhancement
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- M.D. Hayashida Hitoshi
- Department of Neurology, Neurological Institute, Graduate School of Medical Sciences, Kyushu University
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- M.D., Ph.D. Masaki Katsuhisa
- Department of Neurology, Neurological Institute, Graduate School of Medical Sciences, Kyushu University
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- M.D., Ph.D. Ogata Hidenori
- Department of Neurology, Neurological Institute, Graduate School of Medical Sciences, Kyushu University
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- M.D. Harada Ayumi
- Department of Neurosurgery, Neurological Institute, Graduate School of Medical Sciences, Kyushu University
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- M.D., Ph.D. Arimura Koichi
- Department of Neurosurgery, Neurological Institute, Graduate School of Medical Sciences, Kyushu University
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- M.D., Ph.D. Yamasaki Ryo
- Department of Neurology, Neurological Institute, Graduate School of Medical Sciences, Kyushu University
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- M.D., Ph.D. Isobe Noriko
- Department of Neurology, Neurological Institute, Graduate School of Medical Sciences, Kyushu University
Bibliographic Information
- Other Title
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- 脳表にガドリニウム増強効果を伴う単一の皮質下白質病変で発症した多発性硬膜動静脈瘻の1例
- Published
- 2024
- Resource Type
- journal article
- DOI
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- 10.5692/clinicalneurol.cn-001947
- Publisher
- Societas Neurologica Japonica
Search this article
Description
<p>We describe a 44-year-old man with a complaint of atonic seizures of the left upper limb, followed by generalized seizures. Brain MRI showed isolated juxtacortical white matter T2 hyperintensity with gadolinium (Gd) enhancement of the adjacent cortical gray matter and subcortical white matter in the right frontal convexity. Treatment with levetiracetam was effective for seizure suppression, and he had no other neurological abnormalities. Human leukocyte antigen typing revealed B54 and Cw1, which indicated the possibility of neuro-Sweet disease. However, a general examination, which included vital signs and eye and skin findings, was normal. A cerebrospinal fluid test showed a mild elevation in protein levels without pleocytosis and a normal range of interleukin-6. Electroencephalography showed intermittent slow waves without epileptic discharge in the bilateral temporal lobes. We detected subtle flow voids in the pia mater of the left frontal lobe, which suggested cerebrovascular disease, and specifically, the possibility of dural arteriovenous fistulas. Computed tomography angiography showed abnormally dilated perimedullary veins in the left frontal lobe. Cerebral angiography confirmed the existence of four dural arteriovenous fistulas, which included two retrograde leptomeningeal venous drainages in the right frontal cortical veins supplied by the anterior branch of the right middle meningeal artery. The other dural arteriovenous fistulas were retrograde leptomeningeal venous drainages in the left frontal cortical veins supplied by the anterior and posterior convexity branches of the left middle meningeal artery. The patient underwent successful endovascular embolization of all dural arteriovenous fistulas with Onyx injection. A follow-up MRI showed gradual improvement of the T2 hyperintensity and Gd enhancement. He remained seizure-free for 2 years following endovascular embolization.</p>
Journal
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- Rinsho Shinkeigaku
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Rinsho Shinkeigaku 64 (8), 572-578, 2024
Societas Neurologica Japonica
