Abstract：
OBJECTIVE:Quantitative measurements of intracranial vessel walls are reliable in 3-T high-resolution magnetic resonance imaging (HR-MRI). However, few reports have assessed the arterial wall after endovascular treatment (EVT) by 3-T HR-MRI. This study aimed to quantitatively analyze vessel walls in vertebrobasilar artery dissecting aneurysms after EVT. METHODS:From May 2012 to December 2015, a total of 21 patients with 21 intracranial vertebrobasilar dissecting aneurysms (VBDAs) were enrolled in this consecutive study. All the VBDAs were characterized by intramural hematomas (IMHs ≥5 mm) and treated with reconstructive EVT. Images of preoperative and follow-up 3-T HR-MRI were used to evaluate the arterial wall. The relative signal intensity (RSI) of IMHs was quantified on T1-weighted imaging (T1WI) and magnetization-prepared rapid acquisition gradient-echo (MPRAGE). RESULTS:Angiographic follow-up was performed for a mean of 9.19 ± 3.22 months. According to angiographic results at follow-up, 21 patients were divided into 2 groups (progressive group, n = 6; stable group, n = 15). In the progressive group, RSI of IMHs was significantly increased on MPRAGE of follow-up 3-T HR-MRI compared with that before treatment (P < 0.05), and the difference was not significant on T1WI. However, in the stable group, RSI of IMHs was significantly reduced after treatment (P < 0.05). CONCLUSIONS:Persistent high signal intensity of IMHs in VBDAs after reconstructive EVT may be associated with the progression of VBDAs. It may also indicate an unsteady state of the aneurysm, which suggests that reconstruction of the parent artery is not satisfactory.
journal_name
World Neurosurgjournal_title
World neurosurgeryauthors
Tian Z,Chen J,Zhang Y,Liu J,Wang Y,Sui B,Yang Xdoi
10.1016/j.wneu.2017.08.161subject
Has Abstractpub_date
2017-12-01 00:00:00pages
236-243eissn
1878-8750issn
1878-8769pii
S1878-8750(17)31471-7journal_volume
108pub_type
杂志文章abstract：BACKGROUND:Arachnoiditis ossificans (AO) is a rare entity characterized by the presence of calcified plaques formed by the metaplasia of arachnoid cells. Over 50 cases of AO have been reported, with predisposing factors including spinal trauma, hemorrhage, vascular abnormalities, and infection. The administration of oi...
journal_title：World neurosurgery
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abstract：OBJECTIVE:The objective of this study was to evaluate the association between asymptomatic unruptured intracranial aneurysms (IAs) and pituitary adenomas (PAs) in Chinese people. METHODS:In total, 434 patients with newly diagnosed PA and 252 control subjects from the general population who underwent brain computed tom...
journal_title：World neurosurgery
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abstract：:A 37-year-old man came to our neurosurgical department with a 2-month history of a progressive invalidating balance disorder. Cerebral magnetic resonance imaging found a T2-weighted hypersignal lesion of the right cerebellopontine angle that severely compressed the brainstem, however the position of cranial nerves was...
journal_title：World neurosurgery
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abstract：OBJECTIVE:Diffusion tensor imaging (DTI) tractography provides useful information that can be used to optimize surgical planning and help avoid injury during subcortical dissection of eloquent tracts. The objective is to provide a safe, timely, and affordable algorithm for preoperative DTI language reconstruction for i...
journal_title：World neurosurgery
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doi：10.1016/j.wneu.2019.01.163
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abstract：BACKGROUND:Cerebral vasospasm is an important cause of morbidity after subarachnoid hemorrhage, but can also occur after resection of acoustic neuroma. This study aimed to identify factors associated with postoperative cerebral vasospasm in patients with acoustic neuroma. METHODS:This was a retrospective analysis of p...
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pub_type： 杂志文章
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journal_title：World neurosurgery
pub_type： 杂志文章
doi：10.1016/j.wneu.2019.03.124
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abstract：BACKGROUND:Glioblastoma multiforme (GBM) is a rapid-growing central nervous system neoplasm. We report a case of GBM with extensive intramedullary lumbar drop metastasis and highly unusual osseous spine metastasis from a primary infratentorial GBM occurring 10 years after the initial diagnosis, which to our knowledge h...
journal_title：World neurosurgery
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更新日期：2019-11-01 00:00:00
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journal_title：World neurosurgery
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更新日期：2020-08-01 00:00:00
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journal_title：World neurosurgery
pub_type： 杂志文章,多中心研究
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更新日期：2018-10-01 00:00:00
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journal_title：World neurosurgery
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更新日期：2018-12-01 00:00:00
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pub_type： 杂志文章,meta分析,评审
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更新日期：2017-10-01 00:00:00
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pub_type： 杂志文章
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更新日期：2016-07-01 00:00:00
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更新日期：2019-01-01 00:00:00
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journal_title：World neurosurgery
pub_type： 杂志文章
doi：10.1016/j.wneu.2020.03.070
更新日期：2020-06-01 00:00:00
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更新日期：2018-01-01 00:00:00
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journal_title：World neurosurgery
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journal_title：World neurosurgery
pub_type： 杂志文章
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更新日期：2019-07-01 00:00:00
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journal_title：World neurosurgery
pub_type： 杂志文章
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更新日期：2010-07-01 00:00:00
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journal_title：World neurosurgery
pub_type： 杂志文章,评审
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更新日期：2020-06-01 00:00:00
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journal_title：World neurosurgery
pub_type： 杂志文章
doi：10.1016/j.wneu.2011.03.035
更新日期：2011-11-01 00:00:00
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journal_title：World neurosurgery
pub_type： 杂志文章
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更新日期：2019-09-01 00:00:00
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pub_type： 杂志文章
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更新日期：2018-12-01 00:00:00
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journal_title：World neurosurgery
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更新日期：2017-09-01 00:00:00
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journal_title：World neurosurgery
pub_type： 杂志文章,评审
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更新日期：2018-01-01 00:00:00
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journal_title：World neurosurgery
pub_type： 杂志文章,评审
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更新日期：2019-07-01 00:00:00
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journal_title：World neurosurgery
pub_type： 杂志文章
doi：10.1016/j.wneu.2019.09.035
更新日期：2020-01-01 00:00:00
