We present three patients with dissecting and saccular aneurysms affecting the cervical carotid and vertebral arteries treated with flow diversion using the Pipeline Embolization Device (ev3 Endovascular Inc/Covidien, Plymouth, Minn). The device was successfully deployed in all three patients without complication. Follow-up imaging studies at 8 to 18 months revealed complete occlusion of all three aneurysms. This device may be a valuable alternative to stent-graft devices in the treatment of cervical aneurysms since it is delivered through a microcatheter that is better able to negotiate tortuous anatomy of cervical carotid and vertebral arteries.
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http://dx.doi.org/10.1016/j.jvs.2015.04.426 | DOI Listing |
Surg Radiol Anat
January 2025
Department of Neurosurgery, Nakamura Memorial Hospital, South 1, West 14, Chuo-ku, Sapporo, Hokkaido, 060-8570, Japan.
Purpose: Anatomical variations in the anterior choroidal artery (AChA) and/or the posterior cerebral artery (PCA) are rare. Hyperplastic AChA is an anatomical variant supplying both the AChA area and the PCA area. In accessory PCA, a hyperplastic AChA supplies part of the PCA territory.
View Article and Find Full Text PDFCureus
December 2024
Department of Pediatrics, Japanese Red Cross Wakayama Medical Center, Wakayama, JPN.
Acute ischemic stroke, a medical emergency caused by reduced cerebral blood flow, results in brain cell damage. While commonly associated with older individuals, strokes can also occur in young and middle-aged adults, posing significant socio-economic and health challenges due to the long-term impact of the condition. This poses significant socio-economic and health challenges because stroke is a leading cause of disability and mortality.
View Article and Find Full Text PDFQuant Imaging Med Surg
January 2025
Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
Background: The scanning trigger threshold affects image quality. The aim of this study was to investigate the effect of different scanning trigger thresholds on brain computed tomography angiography (CTA) image quality.
Methods: In this prospective study, 80 patients undergoing brain CTA examinations with dual-layer CT (DLCT) were randomly divided into group A and group B, with 40 patients in each group.
World Neurosurg
January 2025
Department of Neurosurgery, Hospital Nacional Dos de Mayo, Lima, Peru.
Introduction: Microsurgery for paraclinoid aneurysms remains the first line of treatment in resource-constrained settings. The authors describe their institutional experience and evaluate functional outcomes after microsurgical treatment of paraclinoid aneurysms.
Methods: A retrospective review of clinical records was conducted.
JNCI Cancer Spectr
January 2025
Section on Medical Neuroendocrinology National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, 20892, MD, USA.
Head and neck paragangliomas (HNPGLs) are typically slow-growing, hormonally inactive tumors of parasympathetic paraganglia. Inactivation of prolyl-hydroxylase domain-containing 2 protein causing indirect gain-of-function of hypoxia-inducible factor-2α (HIF-2α), encoded by EPAS1, was recently shown to cause carotid body hyperplasia. We previously described a syndrome with multiple sympathetic paragangliomas caused by direct gain-of-function variants in EPAS1 (Pacak-Zhuang syndrome, PZS) and developed a corresponding mouse model.
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