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Ischemic stroke after radiation therapy for pituitary adenomas: a systematic review
In conclusion, complications of cerebral ischemia after radiotherapy for pituitary adenoma are infrequently reported. Moreover, after correction for several confounders, no significant difference in ischemic stroke rate between irradiated and non-irradiated patients could be identified.
Source: Journal of Neuro-Oncology - June 28, 2017 Category: Cancer & Oncology Source Type: research

Stroke rate after external fractionated radiotherapy for benign meningioma
ConclusionOur study shows a higher incidence of stroke in patients who received radiotherapy for their benign meningioma compared to the general population.
Source: Journal of Neuro-Oncology - January 4, 2021 Category: Cancer & Oncology Source Type: research

Diagnostic yield of echocardiography in cancer patients with ischemic stroke
Abstract The yield of echocardiography in cancer patients with acute ischemic stroke is unknown. We identified adult patients with active systemic cancer diagnosed with acute ischemic stroke at a tertiary-care cancer center from 2005 through 2009 who underwent transthoracic (TTE) or transesophageal echocardiography (TEE). Two neurologists independently reviewed all clinical data, including TTE and TEE reports, and adjudicated whether echocardiographic studies revealed a definite or possible source of stroke according to pre-defined criteria. Patients were classified as having suspected cardioembolic strokes if ima...
Source: Journal of Neuro-Oncology - April 8, 2015 Category: Cancer & Oncology Source Type: research

Ischemic stroke in patients with gliomas at The University of Texas-M.D. Anderson Cancer Center
Abstract Patients with gliomas are at risk of cerebrovascular accidents (CVA) with potential consequences on survival, function, and local tumor control. Our objective was to provide information about CVA in patients with gliomas and to estimate survival in this group. We reviewed all adult glioma patients with ischemic CVA at the University of Texas-M.D. Anderson Cancer Center from 2003 through 2014. We extracted demographic, clinical, imaging, treatment and outcome data. We used descriptive summary data and estimated or compared survival rates where appropriate. 60 of 6500 patients (0.1 %) with high-grade (HGG,...
Source: Journal of Neuro-Oncology - August 14, 2015 Category: Cancer & Oncology Source Type: research

Predictors of survival for patients with cancer after cryptogenic stroke
Abstract Patients with active cancer experience ischemic stroke via cryptogenic mechanisms, with cancer-associated hypercoagulability being considered a major contributor to such strokes. Despite the remarkably shortened survival of these patients, the clinical predictors of survival are poorly understood. We determined the clinical factors including D-dimer levels serving as the predictors of overall survival in these patients. Retrospective study was conducted on cancer patients who visited our hospital for acute ischemic stroke with cryptogenic mechanisms from April 2012 through November 2014. Demographics, cl...
Source: Journal of Neuro-Oncology - May 26, 2016 Category: Cancer & Oncology Source Type: research

Predictors of unknown cancer in patients with ischemic stroke
AbstractStroke is the second most frequent neurologic finding in postmortem studies of cancer patients. It has also been described as the first expression of an occult cancer. We have studied patients diagnosed with cancer after an ischemic stroke (IS) and we analyze differences with non-tumor patients. Single cohort longitudinal retrospective study of patients admitted to our center with IS diagnosis from 1 January 2012 to 12 December 2014. All patients were followed for 18  months. Patients with transient ischemic infarction or cerebral hemorrhage, active cancer or in the last 5 years, inability to follow-up or absence...
Source: Journal of Neuro-Oncology - January 8, 2018 Category: Cancer & Oncology Source Type: research

Ischemic stroke and intracranial hemorrhage in patients with recurrent glioblastoma multiforme, treated with bevacizumab
AbstractBevacizumab (BVZ), a monoclonal antibody directed against vascular endothelial growth factor (VEGF), has been suspected to increase the incidence of ischemic stroke (IS) and intracranial hemorrhage (ICH) in GBM patients. Intracranial vascular events, such as IS and ICH, were retrospectively analyzed in 364 MRI scans of 82 patients with recurrent GBM (1st/2nd/3rd relapse). Out of these 82 patients, 40 were treated with BVZ (178 scans) in addition to basic treatment, whereas 42 patients matching for age and gender received basic treatment (186 scans). Distribution of typical vascular risk factors between both groups ...
Source: Journal of Neuro-Oncology - May 29, 2017 Category: Cancer & Oncology Source Type: research

Risk factors for venous thromboembolism in patients undergoing craniotomy for neoplastic disease
Abstract Patients undergoing neurosurgical procedures for neoplasia have historically been considered at higher risk for developing venous thromboembolism (VTE). We sought to identify risk factors associated with VTE in patients undergoing craniotomy for tumor resection. We reviewed a national surgical quality database (American College of Surgeons National Surgical Quality Improvement Project, ACS-NSQIP, http://site.acsnsqip.org/). Patients undergoing non-emergent craniotomy for neoplastic indications were identified based on current procedural terminology codes. Clinical factors were identified that were associ...
Source: Journal of Neuro-Oncology - November 19, 2014 Category: Cancer & Oncology Source Type: research

Phase II trial of hypofractionated intensity-modulated radiation therapy combined with temozolomide and bevacizumab for patients with newly diagnosed glioblastoma
This study demonstrated 90 % 6-month PFS and OS comparable to historic data in patients receiving standard treatment. Bevacizumab did not prevent radiation necrosis associated with this hypofractionated radiation regimen and large PTV volumes may have contributed to high rates of presumed radiation necrosis.
Source: Journal of Neuro-Oncology - December 19, 2014 Category: Cancer & Oncology Source Type: research

Calcification in high grade gliomas treated with bevacizumab
Abstract Calcification is a rare phenomenon in high grade glioma (HGG). CT scans are sensitive to mineralization but used infrequently for tumor assessment in the MRI era. The presence of calcification can be overlooked on routine MRI. Calcification may reflect chronicity and natural changes in the tumor or its milieu over time and may be accelerated by certain treatments. Calcification may have clinical significance which could signal potential risk for stroke or hemorrhage related to particular therapies; or it may be a positive prognostic factor for treatment response. The true incidence and relevance of calcif...
Source: Journal of Neuro-Oncology - May 5, 2015 Category: Cancer & Oncology Source Type: research

Treatment of pediatric cerebral radiation necrosis: a systematic review
Abstract Cerebral radiation necrosis (CRN) is a toxicity of radiation therapy that can result in significant, potentially life-threatening neurologic deficits. Treatment for CRN has included surgical resection, corticosteroids, hyperbaric oxygen therapy (HBOT), and bevacizumab, but no consensus approach has been identified. We reviewed the available literature to evaluate efficacy of treatment approaches. Using methods specified in the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines when possible, we conducted searches of Ovid MEDLINE, Embase and Pubmed to identify studies re...
Source: Journal of Neuro-Oncology - July 19, 2016 Category: Cancer & Oncology Source Type: research

Therapeutic dormancy to delay postsurgical glioma recurrence: the past, present and promise of focal hypothermia
AbstractSurgery precedes both radiotherapy and chemotherapy as the first-line therapy for glioma. However, despite multimodal treatment, most glioma patients die from local recurrence in the resection margin. Glioma surgery is inherently lesional, and the response of brain tissue to surgery includes hemostasis, angiogenesis, reactive gliosis and inflammation. Unfortunately, these processes are also associated with tumorigenic side-effects. An increasing amount of evidence indicates that the response to a surgery-related brain injury is hijacked by residual glioma cells and participates in the local regeneration of tumor ti...
Source: Journal of Neuro-Oncology - May 17, 2017 Category: Cancer & Oncology Source Type: research

Reduced-volume radiotherapy for patients with localized intracranial nongerminoma germ cell tumors
We examined outcomes of NGGCT patients receiving reduced-volume RT at a single institution. Records of 16 patients who received reduced-volume RT as part of definitive treatment between 1996 and 2016 were reviewed. Median age at presentation was 10.8 years (range 4.6 –41.0 years). Ten patients had pineal tumors and 6 had suprasellar tumors. All received chemotherapy and 9 patients received second-look surgery thereafter. RT volume was tumor-only to a median of 54 Gy (range 50.4–54 Gy) in 3 patients and whole-ventricle irradiation to a median of 30.6 Gy (r ange 30.6–36 Gy) with a boost to 54 Gy in 13 patients. Me...
Source: Journal of Neuro-Oncology - June 28, 2017 Category: Cancer & Oncology Source Type: research

Features of diffuse gliomas that are misdiagnosed on initial neuroimaging: a case control study
ConclusionSeveral clinical and radiologic metrics are associated with diffuse gliomas that are missed or misdiagnosed on the initial neuroimaging study. Knowledge of these associations may aid in avoiding misinterpretation and accurately diagnosing such cases in clinical practice.
Source: Journal of Neuro-Oncology - October 1, 2018 Category: Cancer & Oncology Source Type: research

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