Yuichi Nagata September 5, 2017

Journal of Neurosurgery, Ahead of Print. OBJECTIVE Parasellar tumors that extend far laterally beyond the internal carotid artery or that are fibrous and adhere firmly to critical structures are difficult to remove totally via the endoscopic transsphenoidal approach alone. In such cases, a combined transsphenoidal-transcranial approach is effective to achieve maximal resection in a single stage.… Read More...

Sasha Vaziri September 5, 2017

Journal of Neurosurgery, Ahead of Print. OBJECTIVE The American College of Surgeons (ACS) National Surgical Quality Improvement Program (NSQIP) universal Surgical Risk Calculator is an online decision-support tool that uses patient characteristics to estimate the risk of adverse postoperative events. Further validation of this risk calculator in the neurosurgical population is needed; therefore, the object of this study was to assess the predictive performance of the ACS NSQIP Surgical Risk Calculator in neurosurgical patients treated at a tertiary care center.… Read More...

Rafael Martinez-Perez September 5, 2017

Journal of Neurosurgery, Ahead of Print. The objective of this paper was to report a rare complication of basilar artery (BA) tourniquet treatment of a giant basilar tip aneurysm, and to discuss possible causes for the formation of a de novo giant posterior cerebral artery (PCA) aneurysm.… Read More...

Daiki Murata September 5, 2017

Journal of Neurosurgery, Ahead of Print. OBJECTIVEMedulloblastoma is a type of malignant tumor arising in the cerebellum. The clinical importance of programmed cell death 1 ligand–1 (PD-L1) expression in medulloblastoma remains unknown. The aim of the present study was to examine the expression of PD-L1 and tumor-infiltrating T cells, and to evaluate their relationships to the prognosis of patients with medulloblastoma.METHODSThe authors immunohistochemically analyzed PD-L1 expression and CD3+ and CD8+ lymphocyte infiltrations in tumor specimens from 16 patients with medulloblastoma.RESULTSHigh expression of PD-L1 was observed in 9 (56.3%) of 16 samples studied.… Read More...

Ha Son Nguyen September 5, 2017

Journal of Neurosurgery, Ahead of Print. OBJECTIVEThe presence, extent, and distribution of intraventricular hemorrhage (IVH) have been associated with negative outcomes in aneurysmal subarachnoid hemorrhage (SAH). Several qualitative scores (Fisher grade, LeRoux score, and Graeb score) have been established for evaluating SAH and IVH.… Read More...

Kyungmi Kim September 5, 2017

Journal of Neurosurgery, Ahead of Print. OBJECTIVEHypoalbuminemia is known to be independently associated with postoperative acute kidney injury (AKI). However, little is known about the association between the preoperative serum albumin level and postoperative AKI in patients undergoing brain tumor surgery.… Read More...

Jin Pyeong Jeon September 5, 2017

Journal of Neurosurgery, Ahead of Print. OBJECTIVEThe purpose of this study was to evaluate treatment outcomes of future stroke prevention, perioperative complications, and angiographic revascularization in adults with symptomatic moyamoya disease (MMD) according to treatment modalities and surgical techniques.METHODSA systemic literature review was performed based on searches of the PubMed, Embase, and Cochrane Central databases.… Read More...

J. Mason DePasse September 5, 2017

Journal of Neurosurgery: Spine, Ahead of Print. OBJECTIVESpinal epidural abscesses (SEAs) can be difficult to diagnose and may result in neurological compromise or even death. Delays in diagnosis or treatment may worsen the prognosis. While SEA presents a high risk for litigation, little is known about the medicolegal ramifications of this condition.… Read More...

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