Publications by authors named "Midori Ichihashi"
Intraosseous dural arteriovenous fistula draining into the diploic veins treated with transarterial embolization: A case report.
J Cerebrovasc Endovasc Neurosurg
August 2025
This study presents the rare case of an intraosseous dural arteriovenous fistula (DAVF) draining into the diploic veins in the left frontal bone with high-flow feeder, successfully treated with transarterial Onyx embolization. A 59-year-old male exhibited mild right hemiparalysis and aphasia without prior head trauma, surgery, or venous sinus thrombosis. Imaging identified DAVF, fed by the bilateral superficial temporal arteries, left middle meningeal artery, and left occipital artery, draining retrogradely solely through the diploic veins into the superior sagittal sinus, causing cortical venous reflux (CVR).
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- * A specific case involved a 50-year-old male whose aneurysm re-enlarged after multiple treatments, and the use of a balloon helped accurately visualize the existing stent during retreatment.
- * The successful procedure included adding new coils and a second stent, which resulted in no new neurological problems post-surgery, suggesting that balloon-assisted stent visualization could be a beneficial technique for planning future treatments.
Article Synopsis
- - Subdural empyema (SE) is a serious complication after chronic subdural hematoma (CSDH) surgery, and treatment options like craniotomy versus burr hole surgery are still under debate.
- - An 81-year-old male with SE caused by a Methicillin-resistant Staphylococcus aureus infection underwent a second burr hole procedure with double-tube irrigation, which successfully treated his condition without recurrence.
- - This case suggests that burr hole surgery with double-tube irrigation could be an effective alternative to craniotomy, especially when the latter poses higher risks, but more research is necessary to establish treatment guidelines.