World Neurosurg
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The goals of the present study were to identify predictors of better survival and to propose appropriate management strategies for recurrent hemangiopericytomas (HPC) and anaplastic hemangiopericytomas (AHPC). ⋯ Treatment is imperative for the first recurrence of HPC or AHPC. More attention should be paid to patients with shorter first recurrence-free survival. Surgery is the first choice for their first recurrence and radiotherapy should be administered if there is no history of radiotherapy.
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Review Case Reports
Spinal arteriovenous malformation associated with Parkes Weber syndrome: Report of two cases and literature review.
To present 2 cases of Parkes Weber syndrome (PWS) with spinal arteriovenous malformation (AVM) and discuss the radiologic features and clinical treatment with literature review. ⋯ Awareness of the association between spinal AVM and PWS is essential for radiographic screening of spinal lesions with myelopathy or intracranial subarachnoid hemorrhage. Clinical therapeutic strategy should be multidisciplinary and individualized on the basis of vasculature and lesion behavior.
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Multicenter Study
Occlusion status on magnetic resonance angiography is associated with risk of delayed ischemic events in cerebral aneurysms treated with stent-assisted coiling.
Management after stent-assisted coiling (SAC) for unruptured intracranial aneurysm is sometimes difficult because close monitoring for ischemic events for a long period of time after the procedure is necessary. The purpose of this study was to clarify the usefulness of magnetic resonance angiography (MRA) at follow-up after SAC. ⋯ In this preliminary study, dome filling on follow-up TOF-MRA is a possible risk factor for delayed ischemic events. TOF-MRA could be a modality for tailored management after SAC.
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Although the Pipeline Embolization Device (PED) has proved to be an excellent option for internal carotid artery (ICA) aneurysms, the rate of occlusion remains difficult to predict and factors associated with aneurysm occlusion are not well elucidated. This study aimed to investigate predictors and the rate of occlusion for aneurysms along the ICA. ⋯ The rate of occlusion after PED is highest for small proximal ICA aneurysms and the probability of occlusion is lower for distal ICA aneurysms.
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Multicenter Study Observational Study
Epidemiology of Mild Traumatic Brain Injury with Intracranial Hemorrhage: Focusing Predictive Models for Neurosurgical Intervention.
To outline differences in neurosurgical intervention (NI) rates between intracranial hemorrhage (ICH) types in mild traumatic brain injuries and help identify which ICH types are most likely to benefit from creation of predictive models for NI. ⋯ This study highlighted disparate NI rates among ICH types in patients with mild traumatic brain injury and identified mild, isolated subdural hematomas as most appropriate for construction of predictive NI models. Increased health care efficiency will be driven by accurate understanding of risk, which can come only from accurate predictive models.