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  1. Article

    Open Access

    Unveiling rupture risk and clinical outcomes in midline aneurysms: A matched cohort analysis investigating the impact of localization within the anterior or posterior circulation

    Intracranial aneurysms (IAs) located in the anterior and posterior circulations of the Circle of Willis present differential rupture risks. This study aimed to compare the rupture risk and clinical outcomes of...

    Vanessa M. Swiatek, Amir Amini, Celina E. Sandalcioglu Ortuño in Neurosurgical Review (2024)

  2. Article

    Open Access

    VR-based training of craniotomy for intracranial aneurysm surgery

    Intracranial aneurysms can be treated micro-surgically. This procedure involves an appropriate head position of the patient and a proper craniotomy. These steps enable a proper access, facilitating the subsequ...

    Mareen Allgaier, Amir Amini, Belal Neyazi in International Journal of Computer Assisted… (2022)

  3. Article

    Open Access

    Theranostic applications of optical coherence tomography in neurosurgery?

    In light of our own experiences, we value the existing literature to critically point out possible “near” future applications of optical coherence tomography (OCT) as an intraoperative neurosurgical guidance t...

    Karl Hartmann, Klaus-Peter Stein, Belal Neyazi in Neurosurgical Review (2022)

  4. Article

    Open Access

    Definition and extraction of 2D shape indices of intracranial aneurysm necks for rupture risk assessment

    Intracranial aneurysms are local dilations of brain vessels. Their rupture, as well as their treatment, is associated with high risk of morbidity and mortality. In this work, we propose shape indices for aneur...

    Sarah Mittenentzwei, Oliver Beuing in International Journal of Computer Assisted… (2021)

  5. Article

    Open Access

    Distance and force visualisations for improved simulation of intracranial aneurysm clip**

    The treatment of cerebral aneurysms shifted from microsurgical to endovascular therapy. But for some difficult aneurysm configurations, e.g. wide neck aneurysms, microsurgical clip** is better suited. From t...

    Mareen Allgaier, Belal Neyazi in International Journal of Computer Assisted… (2021)

  6. Article

    Open Access

    VICTORIA: VIrtual neck Curve and True Ostium Reconstruction of Intracranial Aneurysms

    For the status evaluation of intracranial aneurysms (IAs), morphological and hemodynamic parameters can provide valuable information. For their extraction, a separation of the aneurysm sac from its parent vess...

    Philipp Berg, Benjamin Behrendt, Samuel Voß in Cardiovascular Engineering and Technology (2021)

  7. No Access

    Chapter and Conference Paper

    Interactive Visualization of Cerebral Blood Flow for Arteriovenous Malformation Embolisation

    Arteriovenous malformations in the brain are abnormal connections between cerebral arteries and veins without the capillary system. They might rupture with fatal consequences. Their treatment is highly patient...

    Ulrike Sprengel, Patrick Saalfeld in Bildverarbeitung für die Medizin 2021 (2021)

  8. Article

    Open Access

    Combining visual analytics and case-based reasoning for rupture risk assessment of intracranial aneurysms

    Medical case-based reasoning solves problems by applying experience gained from the outcome of previous treatments of the same kind. Particularly for complex treatment decisions, for example, incidentally foun...

    Lena Spitz, Uli Niemann, Oliver Beuing in International Journal of Computer Assisted… (2020)

  9. No Access

    Article

    CCM1/KRIT1 mutation in monozygotic twins of a polyzygotic triplet birth: genetic, clinical and radiological characteristics

    Cerebral cavernous malformations are focal vascular lesions of the brain, occurring sporadically or as an autosomal dominant familial form. The genetic background influences not only the clinical course but al...

    Karl Hartmann, Klaus-Peter Stein, Belal Neyazi, Ute Felbor in Neurosurgical Review (2019)

  10. No Access

    Article

    Evaluation of the risk of rupture of intracranial aneurysms in patients with aneurysmal subarachnoid hemorrhage according to the PHASES score

    The PHASES score was developed to determine the risk of rupture of un-ruptured intracranial aneurysms (UIAs). The purposes of the current study were to apply this score on patients with actually ruptured intra...

    Belal Neyazi, I. Erol Sandalcioglu, Homajoun Maslehaty in Neurosurgical Review (2019)

  11. No Access

    Article

    Brain arteriovenous malformations: implications of CEACAM1-positive inflammatory cells and sex on hemorrhage

    Brain arteriovenous malformations (bAVMs) are severe conditions which, upon rupture, cause debilitating neurological deficits and even death. The exact cellular and molecular mechanisms associated with bAVM ru...

    Belal Neyazi, Angelika Herz, Klaus-Peter Stein, Islam Gawish in Neurosurgical Review (2017)