Mechanical Thrombectomy Using a Large Dual-Layer Stent Retriever for Near-Occlusion of the Common Carotid Bifurcation Caused by a Giant Free-Floating Thrombus.

Objective: We report a case of near-occlusion of the common carotid bifurcation caused by a giant free-floating thrombus (FFT) successfully treated with mechanical thrombectomy using a large dual-layer stent retriever.

Case Presentation: A 51-year-old man presented to our hospital with dysarthria, right hemiparalysis, and paresthesia. MRI revealed an acute infarction of the left cortical watershed zone, and MRA revealed decreased signals in the left common carotid bifurcation.

Endovascular coil embolization of proximal middle cerebral artery aneurysms has better outcomes than other middle cerebral artery aneurysms: A retrospective study.

Purpose: Although some authors proposed that coil embolization in middle cerebral artery (MCA) aneurysms is a useful and effective alternative, the characteristics of the aneurysms may be different at each location. We compared the results of coil embolization of proximal middle cerebral artery aneurysms with those of other middle cerebral artery aneurysms.

Methods: Data from 46 patients with 50 aneurysms were retrospectively evaluated.

Flow-Diverter Stent for an Unruptured Aneurysm at the Junction of the Internal Carotid Artery and Persistent Primitive Trigeminal Artery: Case Report and Literature Review.

Background: Persistent primitive trigeminal artery (PPTA), which is a fetal carotid-basilar anastomosis, is the most common embryologic vascular remnant persisting in adults. Aneurysms can arise between the internal carotid artery (ICA) and PPTA. Here we present a case of ICA-PPTA aneurysm treated with a flow-diverter stent.

Progressive edematous lesions in subacute phase after neuroendovascular therapy.

Background: The appearance of edematous lesions in the subacute phase is a rare complication following neuroendovascular therapy. Effective management of these lesions remains unclear. In this report, a case with progressive edematous lesions in the subacute phase after neuroendovascular therapy was described, and the clinical features and therapeutic strategies were discussed.

3D-FIESTA Magnetic Resonance Angiography Fusion Imaging of Distal Segment of Occluded Middle Cerebral Artery.

Middle cerebral artery (MCA) occlusion was examined with basi-parallel anatomical scanning (BPAS) using three-dimensional fast imaging employing steady-state acquisition (3D-FIESTA), and 3D-FIESTA and magnetic resonance angiography (MRA) fusion images were created. We expected that an incidence of hemorrhagic complications due to vessel perforations would be decreased by obtaining vascular information beyond the occlusion and thus acute endovascular revascularization could be performed using such techniques. We performed revascularization for acute MCA occlusion for five patients who were admitted in our hospital from October 2012 to October 2014.

Usefulness of acellular dermal graft as a dural substitute in experimental model.

Background: Friction injury of cortical surface or cerebrospinal fluid leakage are the major complications of polytetrafluoroethylene (ePTFE) duraplasty because of their strong surface tension and lesser adaptability. Autologous duraplasties are also accompanied by potential donor-site complications and are inappropriate for large defects. Acellular Dermal Graft (ADG), prepared from cadaver human skin, does not have the above-mentioned drawbacks because of its human nature.

A case of definitely congenital glioblastoma manifested by intratumoral hemorrhage.

Background: A female infant was born with a left-sided glioblastoma that manifested clinically with weakened crying and feeding on day 1 of life, fever and bulging anterior fontanel on day 4, and right hemiparesis by day 10.

Methods: Preoperative magnetic resonance imaging showed hemosiderin intensity indicating that hemorrhage had occurred during the prenatal period. Radical surgical removal of the tumor was performed on the 22nd postnatal day.

Phenotypic modulation of smooth muscle cells and vascular remodeling in intraparenchymal small cerebral arteries after canine experimental subarachnoid hemorrhage.

Cerebral microcirculatory changes are an important factor regulating cerebral blood flow. The aim of this study was to investigate the possibility of phenotypic modulation of smooth muscle cell (SMC) and vascular remodeling of intraparenchymal small cerebral arteries after subarachnoid hemorrhage (SAH). Seven to 14 days after canine experimental SAH, in intraparenchymal perforating arteries, the amount of beta-actin mRNA evaluated by Northern blot analysis increased, the structural change of the 3' untranslated region of beta-actin mRNA detected by polymerase chain reaction analysis was enhanced, and immunohistochemistry showed marked induction of the embryonal isoform of myosine heavy chain accompanied by decreased expression of smooth muscle myosin heavy chain (SM2).

Pituitary abscess showing high uptake of thallium-201 on single photon emission computed tomography--case report.

A 32-year-old female presented with a rare case of pituitary abscess manifesting as homonymous hemianopsia. Serum prolactin level was slightly high (40.8 ng/ml).

Role of basic fibroblast growth factor in the course of cerebral vasospasm in an experimental model of subarachnoid hemorrhage.

The goal of this study was to investigate the relationship between basic fibroblast growth factor (bFGF) and the course of cerebral vasospasm after subarachnoid hemorrhage (SAH), using an immunohistochemical method. Female Sprague-Dawley rats were sacrificed by perfusion fixation 10 min, 6 h, 1, 2, 3, 4, 7 or 14 days after a single intracisternal injection of fresh autologous arterial blood. Morphometric analysis of lumen cross-sectional areas of blood vessels were determined by computerized image analysis.

Dissecting aneurysms of intracranial carotid circulation.

Background And Purpose: Clinical features of nontraumatic dissecting aneurysms of intracranial carotid circulation remain unclear because investigation of this disease has been limited to case reports. The aim of this study was to investigate the clinical features of this disease through the use of cooperatively collected cases.

Methods: The cases diagnosed as dissecting aneurysms of intracranial carotid circulation on the basis of clinical signs and neuroradiological findings in 46 stroke centers from 1995 through 1999 were collected, and their clinical features were analyzed.