A5044527471- Intracranial Aneurysms: Treatment and Complications
- Cerebrovascular and Carotid Artery Diseases
- Vascular Malformations Diagnosis and Treatment
- Moyamoya disease diagnosis and treatment
- Neurosurgical Procedures and Complications
- Glioma Diagnosis and Treatment
- Acute Ischemic Stroke Management
- Cerebrospinal fluid and hydrocephalus
- Meningioma and schwannoma management
- Spinal Fractures and Fixation Techniques
- Traumatic Brain Injury and Neurovascular Disturbances
- Aortic Disease and Treatment Approaches
- Venous Thromboembolism Diagnosis and Management
- Cerebral Venous Sinus Thrombosis
- Estrogen and related hormone effects
- Male Reproductive Health Studies
- Abdominal vascular conditions and treatments
- Brain Metastases and Treatment
- Neurofibromatosis and Schwannoma Cases
- Planarian Biology and Electrostimulation
- Fibroblast Growth Factor Research
- Parathyroid Disorders and Treatments
- Neurogenesis and neuroplasticity mechanisms
- Intracerebral and Subarachnoid Hemorrhage Research
- Cholangiocarcinoma and Gallbladder Cancer Studies
Social Insurance Saitama Chuo Hospital
2018-2024
Dokkyo Medical University Saitama Medical Center
2012-2024
Dokkyo Medical University
2014-2023
University of Tsukuba
2012
Dokkyo University
2010
Kanazawa Medical University
2006
Imperial College London
2003
University of Kansas Medical Center
1994
Multinodular and vacuolating neuronal tumors (MVNT) have been recently referred to as a distinctive tumor entity based on histopathological findings. They are characterized by multiple nodules, vacuolar alteration widespread immunolabeling for human protein HuC/HuD. Only 13 cases reported in the literature date little is known about histopathology of these tumors. Herein, we report case MVNT with additional confirmation immunohistochemical features. A 22‐year‐old woman presented continuous...
Abstract The results of preoperative embolization for skull base meningiomas were retrospectively evaluated to confirm the efficacy this procedure. Skull that treated with in 20 patients. occluded arteries, embolic materials, treatment time, excision rate, neurologic manifestations, and complications analyzed. material was 80% liquid, 30% coils, 15% particles. surgery normally completed within 3 5 hours. Blood loss approximately 250 mL, excluding four patients having following conditions:...
Ovine endometrial cells (epithelial plus stromal), prepared from ovariectomized ewes treated with oestrogen and progesterone to mimic the luteal phase of oestrous cycle were maintained in serum-free medium for 48 h presence or absence phorbol myristate acetate (PMA, 100 nmol l−1), a known stimulus production matrix metalloproteinases (MMP) other cells. Matrix metalloproteinase-1 (MMP-1, interstitial collagenase) metalloproteinase-2 (MMP-2, gelatinase A) activities expressed by PMA; most...
We previously reported that certain cyclooxygenase (COX) inhibitors could inhibit chemically induced tongue carcinogenesis. In the present study, we investigated effects of prostaglandin E 2 (PGE ) receptor EP 1 -selective antagonist ONO-8711 on 4-nitroquinoline 1-oxide (4-NQO)-induced oral carcinogenesis to know whether an involves in Male Fischer 344 rats were given drinking water containing 4-NQO for 8 weeks (20 p.p.m. initial weeks, 25 and then 30 4 weeks). After treatment, animals 400...
Here we describe the case of a patient with wide-necked unruptured aneurysm arising at origin persistent primitive trigeminal artery (PTA) variant from right internal carotid (ICA), supplying territory superior cerebellar and anterior inferior artery. To preserve ICA PTA variant, coil embolization was performed using double-balloon remodeling technique (HyperForm™ Hyper-Glide™ Occlusion Balloon Systems; ev3 Endovascular Inc., Irvine, CA, USA). The association an is very rare. our knowledge,...
An 11-year-old boy presented with pineal pure germinoma spinal dissemination manifesting as a 1-month history of ocular motility disturbance and abnormal sensations in the left leg persisting for several months. His past medical was unremarkable. Craniospinal magnetic resonance imaging showed an enhanced tumor gland widespread leptomeningeal canal. Biopsy performed. Histological examination revealed germinoma. Chemotherapy carboplatin etoposide combination radiotherapy induced complete...
The efficacy of flow diversion (FD) in the treatment paraclinoid aneurysms has been established. pipeline embolization device (PED) is one most commonly used FD devices. Coil also useful for treating aneurysms. This study aimed to compare and safety PED coil large unruptured was a single-center, retrospective treated endovascularly between 2009 2019 (coil 2015, 2015 2019). Cases with follow-up period less than 1 year recurrence after were excluded. outcomes compared. We investigated 45...
We investigated endovascular treatment for 10 mm or larger aneurysms in the internal carotid artery (IC), including cavernous portion, paraclinoid and posterior communication (PC). Between 2011 2014 at our hospital, there were 35 cases of that artery. analyzed these retrospectively based on size location aneurysms, method treatment, number coils implanted, use a stent, complications, rupture after ophthalmologic symptoms, need re-treatment. There was no bleeding treatment. Of cases, four...
Vertebral artery (VA)-posterior inferior cerebellar (PICA) aneurysms are rare lesions that difficult to treat with both endovascular and surgical techniques. Tight angulation of the PICA from VA may make access ipsilateral if adjunctive techniques needed. Recently, safety efficacy retrograde have been reported. We report a case treatment for VA-PICA aneurysm stent-assisted technique using via contralateral persistent primitive proatlantal (PPA). The patient was 76-year-old woman an...
【目的】比較的稀とされるAnterior condylar confluent dural AVF（ACC DAVF）に対して当院で治療経験した症例群のその臨床的特徴，治療方法，転帰をまとめる．【方法・結果】2011 年4 月から2014 年8 月に至るまで，当院で治療したACC DAVF は5 例6 病変で，平均年齢65.6 ± 8.9 歳，全例男性であった．病片側は，左2 例，右2 例，両側1 例であった．いずれも耳鳴を主訴に発見された．流入動脈は，上行咽頭動脈5 例，後頭動脈2 例，椎骨動脈4 例であった．4 例でシャント部にvenous pouch の形成が確認でき，その大きさは平均9.8 2.5 mm であった．静脈に逆流する血行動態を持つものは6 例中4 例であった．全例で，経静脈的にtargeting embolization が可能で，うち3 例でmicro balloon を併用した．その結果，使用したコイルは平均10.4 2.87 個，コイル長は平均100 37.6 cm...
ヘパリンは，血管内治療において一般的に使用されているが，術中のヘパリン起因性血小板減少症に関しては，あまり知られていない．患者は52歳女性．頭痛後に意識障害を呈し，救急搬送された．CTによりSAHと診断し，MRAで脳底動脈–左上小脳動脈分岐部に動脈瘤を認め，コイル塞栓を行った．治療中にヘパリン起因性血小板減少症によると考えられた多発血栓を認め，直ちにアルガトロバンによる治療を開始したが，多発脳梗塞を来した．脳外科領域の血管内治療中にヘパリン起因性血小板減少症を呈した報告は少なく，破裂脳動脈瘤におけるコイル塞栓中の発症は過去1例であった．ヘパリン起因性血小板減少症は稀であるが，重篤な合併症を来し得るため，早期に発見し，治療を開始することが重要である．
Data on endovascular treatment of unruptured anterior communicating artery (AcomA) aneurysms remain limited. Therefore, to clarify the outcomes for AcomA aneurysms, we retrospectively analyzed a single-center series 96 treated endovascularly. Endovascular 100 was performed at our institution between May 2009 and 2019; these, consecutive (95 patients) were included in this retrospective study. Recanalization retreatment rates investigated 76 through follow-up using time-of-flight magnetic...
Objective: The Pipeline Embolization Device (PED) (Covidien, Irvine, CA, USA) is an endovascular microcatheter delivery system for the curative reconstruction of parent arteries harboring large/giant, wide-necked, and fusiform intracranial aneurysms. Here, we describe our initial experience with PED to evaluate its safety, complications, effectiveness.