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  1. Article ; Online: High-Resolution Vessel-Wall Imaging for Analysis of Intracranial Aneurysm Daughter- Sac Vulnerability.

    Larson, Anthony S / Lehman, Vance T

    Mayo Clinic proceedings

    2021  Volume 96, Issue 3, Page(s) 815–816

    MeSH term(s) Anterior Cerebral Artery/diagnostic imaging ; Anterior Cerebral Artery/pathology ; Cerebral Angiography/methods ; Humans ; Image Processing, Computer-Assisted/methods ; Imaging, Three-Dimensional/methods ; Intracranial Aneurysm/diagnostic imaging ; Intracranial Aneurysm/pathology ; Magnetic Resonance Angiography/methods ; Male ; Middle Aged
    Language English
    Publishing date 2021-03-05
    Publishing country England
    Document type Case Reports ; Journal Article
    ZDB-ID 124027-4
    ISSN 1942-5546 ; 0025-6196
    ISSN (online) 1942-5546
    ISSN 0025-6196
    DOI 10.1016/j.mayocp.2020.11.008
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  2. Article ; Online: Subarachnoid Hemorrhage of Unknown Cause: Distribution and Role of Imaging.

    Larson, Anthony S / Brinjikji, Waleed

    Neuroimaging clinics of North America

    2021  Volume 31, Issue 2, Page(s) 167–175

    Abstract: Subarachnoid hemorrhage of unknown cause represents approximately 10% to 15% of nontraumatic subarachnoid hemorrhages. The key factors in determining the management strategy for a presumed nonaneurysmal subarachnoid hemorrhage are the distribution, ... ...

    Abstract Subarachnoid hemorrhage of unknown cause represents approximately 10% to 15% of nontraumatic subarachnoid hemorrhages. The key factors in determining the management strategy for a presumed nonaneurysmal subarachnoid hemorrhage are the distribution, location, and amount of subarachnoid blood. Hemorrhage distribution on computed tomography can be categorized as follows: perimesencephalic, diffuse, sulcal, and primary intraventricular. The extent of the workup required in determining the cause of hemorrhage depends on the distribution of blood. The authors review the potential causes, differential diagnoses, and acute and long-term follow-up strategies in patients with subarachnoid hemorrhage of unknown cause.
    MeSH term(s) Cerebral Angiography ; Diagnostic Tests, Routine ; Humans ; Subarachnoid Hemorrhage/diagnostic imaging ; Subarachnoid Hemorrhage/etiology ; Tomography, X-Ray Computed
    Language English
    Publishing date 2021-03-23
    Publishing country United States
    Document type Journal Article ; Review
    ZDB-ID 1314594-0
    ISSN 1557-9867 ; 1052-5149
    ISSN (online) 1557-9867
    ISSN 1052-5149
    DOI 10.1016/j.nic.2021.01.001
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  3. Article ; Online: Response to letter to the editor: High prevalence of pro-thrombotic conditions in adult patients with moyamoya disease and moyamoya syndrome: a single center study.

    Larson, Anthony S / Klaas, James P

    Acta neurochirurgica

    2020  Volume 162, Issue 12, Page(s) 3137–3138

    MeSH term(s) Adult ; Cerebral Revascularization ; Humans ; Moyamoya Disease/diagnosis ; Moyamoya Disease/epidemiology ; Prevalence ; Thrombosis
    Language English
    Publishing date 2020-09-04
    Publishing country Austria
    Document type Letter ; Comment
    ZDB-ID 80010-7
    ISSN 0942-0940 ; 0001-6268
    ISSN (online) 0942-0940
    ISSN 0001-6268
    DOI 10.1007/s00701-020-04564-7
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  4. Article ; Online: Radiculomedullary arterial contributions to the thoracolumbar spinal cord: an angiographic study.

    Larson, Anthony S / Brinjikji, Waleed

    Journal of neurosurgical sciences

    2020  Volume 67, Issue 3, Page(s) 340–343

    Abstract: Background: Anterior (ASA) and posterior spinal arteries (PSA) receive vital collateral flow from radiculomedullary (RM) arteries. The purpose of this study was to review a series of spinal angiograms in order to characterize normal RM arterial anatomy.! ...

    Abstract Background: Anterior (ASA) and posterior spinal arteries (PSA) receive vital collateral flow from radiculomedullary (RM) arteries. The purpose of this study was to review a series of spinal angiograms in order to characterize normal RM arterial anatomy.
    Methods: The reports of digital subtraction spinal angiograms from consecutive patients from our institution from 2002-2019 were retrospectively reviewed. The RM contributions to both the ASA and PSA were characterized by noting laterality, spinal level and multiplicity.
    Results: Overall, 336 spinal angiograms from 336 patients were included. Regarding RM input to the ASA, 328 patients (97.6%) had at least one RM contribution to the ASA. Forty-six patients (46/328, 14.1%) had multiple RM ASA contributions. Three hundred and eighty-one total RM with input to the ASA were visualized. Ninety-five RM of the ASA (95/381, 24.9%) were located on the right, 286 (75.1%) on the left. Three hundred and twenty-four RM arteries (85.0%) arose between T8 and L2: 246 (64.5% overall) were located on the left, and 78 (20.5%) on the right. Sixty-one patients (18.2%) had at least one visualized RM contribution to the PSA: 16 patients (16/61, 26.2%) had more than one RM contribution to the PSA. Eighty-seven total RM contributions to the PSA were visualized. Eighty-one (93.1%) RM arose between T6 and L1, 52 of which (59.8% overall) were from the left, and 29 (33.3%) from the right.
    Conclusions: RM anastomoses with both the ASA and PSA most-commonly originate from the left-sided T6-L2 spinal levels. Multiple RM contributions to the ASA or PSA are less common.
    MeSH term(s) Humans ; Angiography ; Retrospective Studies ; Spinal Cord/diagnostic imaging ; Spinal Cord/surgery ; Spine ; Vertebral Artery
    Language English
    Publishing date 2020-11-30
    Publishing country Italy
    Document type Journal Article ; Review
    ZDB-ID 193139-8
    ISSN 1827-1855 ; 0390-5616 ; 0026-4881
    ISSN (online) 1827-1855
    ISSN 0390-5616 ; 0026-4881
    DOI 10.23736/S0390-5616.20.05201-7
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  5. Article ; Online: A review of histopathologic and radiologic features of non-atherosclerotic pathologies of the extracranial carotid arteries.

    Larson, Anthony S / Bathla, Girish / Brinjikji, Waleed / Lanzino, Giuseppe / Cheek-Norgan, Elizabeth Heidi / Aubry, Marie C / Huston, John / Benson, John C

    The neuroradiology journal

    2024  , Page(s) 19714009241242592

    Abstract: Diseases of the carotid arteries can be classified into different categories based on their origin. Atherosclerotic carotid disease remains the most encountered arterial wall pathology. However, other less-common non-atherosclerotic diseases can have ... ...

    Abstract Diseases of the carotid arteries can be classified into different categories based on their origin. Atherosclerotic carotid disease remains the most encountered arterial wall pathology. However, other less-common non-atherosclerotic diseases can have detrimental clinical consequences if not appropriately recognized. The underlying histological features of each disease process may result in imaging findings that possess features that are obvious of the disease. However, some carotid disease processes may have histological characteristics that manifest as non-specific radiologic findings. The purpose of this manuscript is to review various non-atherosclerotic causes of carotid artery disease as well as their histologic-radiologic characteristics to aid in the appropriate recognition of these less-commonly encountered pathologies.
    Language English
    Publishing date 2024-04-01
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2257770-1
    ISSN 2385-1996 ; 1971-4009 ; 1120-9976
    ISSN (online) 2385-1996
    ISSN 1971-4009 ; 1120-9976
    DOI 10.1177/19714009241242592
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    Zs.A 2823: Show issues Location:
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  6. Article ; Online: Letter to the Editor. Cerebral arteriopathy and the ACTA2 mutation.

    Larson, Anthony S / Rinaldo, Lorenzo / Brinjikji, Waleed / Klaas, James P

    Journal of neurosurgery. Pediatrics

    2021  , Page(s) 1–2

    Language English
    Publishing date 2021-05-14
    Publishing country United States
    Document type Journal Article ; Letter
    ZDB-ID 2403985-8
    ISSN 1933-0715 ; 1933-0707
    ISSN (online) 1933-0715
    ISSN 1933-0707
    DOI 10.3171/2021.2.PEDS2182
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  7. Article ; Online: Neurosurgical management of aneurysms of the vertebrobasilar system: increasing indications for endovascular therapy with a continued role for open microneurosurgery.

    Larson, Anthony S / Mehta, Tapan / Grande, Andrew W

    Neurosurgical review

    2021  Volume 44, Issue 5, Page(s) 2469–2476

    Abstract: Aneurysms of the vertebrobasilar system remain among the most challenging subsets of aneurysms to treat with an open surgical approach. Since Charles Drake's pioneering work in the 1960s, several advances in microsurgical techniques have improved ... ...

    Abstract Aneurysms of the vertebrobasilar system remain among the most challenging subsets of aneurysms to treat with an open surgical approach. Since Charles Drake's pioneering work in the 1960s, several advances in microsurgical techniques have improved outcomes and feasibility in the open surgical management of these aneurysms. In parallel, the field of endovascular neurosurgery has provided several safe and effective treatment options. Multiple trials have suggested that endovascular therapy for aneurysms of the vertebrobasilar system is superior to open surgical management in most cases. In some instances, however, open surgical management likely represents a more effective and durable option relative to endovascular therapy. Therefore, continued training of future cerebrovascular specialists in open surgery of vertebrobasilar aneurysms remains crucial. With widespread utilization of endovascular techniques, however, proper exposure of trainees to such aneurysms is growing increasingly difficult. In this review, we discuss the recent advances in the endovascular management of vertebrobasilar aneurysms while also emphasizing the continued importance of open microneurosurgery in such cases.
    MeSH term(s) Embolization, Therapeutic ; Endovascular Procedures ; Humans ; Intracranial Aneurysm/surgery ; Microsurgery ; Neurosurgical Procedures ; Treatment Outcome
    Language English
    Publishing date 2021-01-06
    Publishing country Germany
    Document type Journal Article ; Review
    ZDB-ID 6907-3
    ISSN 1437-2320 ; 0344-5607
    ISSN (online) 1437-2320
    ISSN 0344-5607
    DOI 10.1007/s10143-020-01460-7
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  8. Article ; Online: Minimally-invasive tubular retraction ports for intracranial neurosurgery: History and future perspectives.

    Larson, Anthony S / Zuccarello, Mario / Grande, Andrew W

    Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia

    2021  Volume 89, Page(s) 97–102

    Abstract: Brain retraction is a necessary yet potentially damaging requirement of accessing lesions located in deep structures. The development of minimally-invasive tubular retractors (MITRs) provides the theoretical advantage of maximizing visualization of and ... ...

    Abstract Brain retraction is a necessary yet potentially damaging requirement of accessing lesions located in deep structures. The development of minimally-invasive tubular retractors (MITRs) provides the theoretical advantage of maximizing visualization of and access to deep-seated lesions, all while minimizing collateral tissue damage. These advantages make MITRs preferable to traditional bladed retractors in the majority of deep-seated lesions. Several commercially-available MITR systems currently exist and have been shown to aid in achieving excellent outcomes with acceptable safety profiles. Nevertheless, important drawbacks to currently-available MITR systems exist. Continued pursuit of an ideal MITR system that provides maximal visualization and access to deep-seated lesions while minimizing retraction-related tissue damage is therefore important. In this review, we discuss the historical development of MITRs, the advantages of MITRs compared to traditional bladed retractors, and opportunities to improve the development of prospective MITRs.
    MeSH term(s) Brain/surgery ; History, 20th Century ; History, 21st Century ; Humans ; Minimally Invasive Surgical Procedures/history ; Minimally Invasive Surgical Procedures/instrumentation ; Minimally Invasive Surgical Procedures/methods ; Neurosurgical Procedures/history ; Neurosurgical Procedures/instrumentation ; Neurosurgical Procedures/methods
    Language English
    Publishing date 2021-05-06
    Publishing country Scotland
    Document type Historical Article ; Journal Article ; Review
    ZDB-ID 1193674-5
    ISSN 1532-2653 ; 0967-5868
    ISSN (online) 1532-2653
    ISSN 0967-5868
    DOI 10.1016/j.jocn.2021.04.035
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  9. Article ; Online: Embolic Materials

    Shamar Young / Anthony S. Larson / Pooya Torkian / Jafar Golzarian

    The Arab Journal of Interventional Radiology, Vol 06, Iss 01, Pp 010-

    Understanding the Ocean of Choices

    2022  Volume 014

    Abstract: Embolization is a fundamental procedure that interventional radiologists perform on a daily basis to treat a variety of diseases. The disease processes for which embolization is considered a safe and effective treatment are continuously expanding, as are ...

    Abstract Embolization is a fundamental procedure that interventional radiologists perform on a daily basis to treat a variety of diseases. The disease processes for which embolization is considered a safe and effective treatment are continuously expanding, as are the embolization materials available for use. To achieve optimal clinical outcomes and minimize complications, it is imperative that the interventional radiologist understands the properties, strengths, and weaknesses of each class of embolic and specific embolic products. This is a continuous process as new materials are always becoming available. This article reviews the different classes of embolic materials, discusses strengths and weaknesses, and reviews areas of innovation.
    Keywords embolic material ; embolization ; interventional ; radiology ; Medical physics. Medical radiology. Nuclear medicine ; R895-920
    Language English
    Publishing date 2022-01-01T00:00:00Z
    Publisher Thieme Medical and Scientific Publishers Pvt. Ltd.
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  10. Article ; Online: Pipeline embolization for recurrent vertebral artery thromboembolic events secondary to a misplaced pedicle screw.

    Larson, Anthony S / Mikula, Anthony L / Brinjikji, Waleed / Lanzino, Giuseppe

    Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology

    2020  Volume 42, Issue 4, Page(s) 1555–1558

    Abstract: Background: Cervical spine instrumentation carries a risk of vertebral artery injury which can cause devastating neurological events. Flow diversion using the Pipeline embolization device (PED) is a commonly used endovascular modality that can treat ... ...

    Abstract Background: Cervical spine instrumentation carries a risk of vertebral artery injury which can cause devastating neurological events. Flow diversion using the Pipeline embolization device (PED) is a commonly used endovascular modality that can treat various vessel wall abnormalities including aneurysms and arterial dissections. CASE DESCRIPTION: We report the case of a 69-year-old female who presented with multiple cryptogenic strokes secondary to a vertebral artery irregularity from a misplaced pedicle screw. She continued having ischemic infarcts despite maximal medical therapy. The patient was successfully treated with the PED and has not had any further ischemic events at 1-year follow-up.
    Conclusions: To our knowledge, this is the first published case of a chronic vertebral artery abnormality secondary to a misplaced pedicle screw that was treated with flow diversion. This is likely a safe and effective treatment for this rare complication of pedicle screw placement.
    MeSH term(s) Aged ; Embolization, Therapeutic ; Endovascular Procedures ; Female ; Humans ; Intracranial Aneurysm ; Pedicle Screws ; Retrospective Studies ; Treatment Outcome ; Vertebral Artery/diagnostic imaging ; Vertebral Artery/surgery
    Language English
    Publishing date 2020-11-27
    Publishing country Italy
    Document type Case Reports ; Journal Article
    ZDB-ID 2016546-8
    ISSN 1590-3478 ; 1590-1874
    ISSN (online) 1590-3478
    ISSN 1590-1874
    DOI 10.1007/s10072-020-04943-z
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