Journal of neurosurgery
-
Journal of neurosurgery · Jan 2025
Epidemiology of malignant gliomas in Iran: first report of Iranian National Population-based Cancer Registry, 2009-2017.
Malignant gliomas constitute the most common type of primary malignant brain tumors. Most previous studies have evaluated the epidemiology of malignant gliomas in developed countries. Hence, there is a lack of evidence in this regard from developing countries. This study is the first epidemiological report on the status of malignant glioma in Iran between 2009 and 2017. ⋯ This study is the latest epidemiological report on the status of malignant gliomas in Iran. Although the overall incidence rate was lower than the rates in developed countries, several findings were consistent with those in prior reports.
-
Journal of neurosurgery · Jan 2025
In vitro evaluation of flow diverter performance using a human fibrinogen-based flow model.
Fibrin deposition represents a key step in aneurysm occlusion, promoting endothelization of implants and connective tissue organization as part of the aneurysm-healing mechanism. In this study, the authors introduce a novel in vitro testing platform for flow diverters based on human fibrinogen. ⋯ Rates of fibrin deposition varied widely across different configurations and additive conditions in this novel in vitro model system. Fibrin accumulation started at the aneurysm inflow zone where flow velocity and shear stress were the highest. The primary factors influencing fibrin deposition included flow velocities, shear stress, and the addition of thrombin at a physiological concentration. Further research is needed to test the clinical utility of fibrinogen-based models for patient-specific aneurysms.
-
Journal of neurosurgery · Jan 2025
Historical ArticleThe history of Bellevue Neurosurgery: a legacy of learning, discovery, and service.
The authors present a historical overview of NYU-Bellevue Neurosurgery, highlighting key events and influential faculty. Bellevue Hospital, the first public hospital in the US, was established in 1736 and has grown via its affiliation with New York University (now NYU Langone Health) from 1898 to the present. ⋯ NYU-Bellevue Neurosurgery began as a department in 1951 under Dr. Thomas Hoen and has since fostered notable faculty and graduates while contributing to the development of clinical neuroscience.
-
Journal of neurosurgery · Jan 2025
Noninvasive evaluation of the glymphatic system in diffuse gliomas using diffusion tensor image analysis along the perivascular space.
The aim of this study was to noninvasively explore the glymphatic system (GS) in glioma and its association with glioma characteristics and prognosis by using diffusion tensor image analysis along the perivascular space (ALPS). ⋯ GS function was impaired in glioma and correlated with tumor characteristics, and worse contralateral GS function was associated with a shorter survival time.
-
In 1783, Alexander Monro secundus maintained that because the brain is enclosed in a case of bone and its substance is nearly incompressible, the quantity of blood within the head must be the same, or very nearly the same, at all times. Years later, this hypothesis was experimentally supported by George Kellie, and became known as the Monro-Kellie doctrine. ⋯ Yet, almost nothing has been published about some of the physiological, pathophysiological, and therapeutic ideas prevailing at that time that may have influenced Monro's hypothesis. Lastly, and perhaps most importantly, it is not clear why Monro, who knew the ventricular system in detail, did not include it as a potential compensatory compartment for changes in the intracranial blood volume.