Angiomatous Meningioma: A Study on Epidemiology and Clinical Presentation

Angiomatous Meningioma: A Study on Epidemiology and Clinical Presentation | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Research Article Angiomatous Meningioma: A Study on Epidemiology and Clinical Presentation Pedro Lucas Negromonte Guerra, Inaê Carolline Silveira Silva, and 5 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-3954000/v1 This work is licensed under a CC BY 4.0 License Status: Posted Version 1 posted You are reading this latest preprint version Abstract Introduction: Angiomatous meningiomas (AM) are a rare subtype of benign brain tumors, primarily affecting women. This study investigates the clinical and epidemiological features of AM and provides a literature review. Objective: Analyze the clinical and epidemiological characteristics of AM, assess its incidence, and review existing literature. Methods: A retrospective study was conducted on 28 AM cases out of 584 meningioma patients who underwent surgery between 2013 and 2023. Data were collected from medical records and imaging exams. Results: AM comprised 4.7% of the cases, with a female predominance (1.8:1). Common tumor locations included the convexity (33%), falx/parasagittal region (17%), and sphenoid wing (17%). Clinical presentations were related to increased intracranial pressure, often presenting non-specific symptoms, such as headache and nausea. MRI findings were consistent with known patterns. Conclusion: This study provides valuable insights into AM's clinical and epidemiological aspects, aiding in accurate diagnosis and patient care. The literature review underscores the unique features of AM, emphasizing the need for special management. Full Text Additional Declarations No competing interests reported. Supplementary Files StudycharacteristicsAM.docx Cite Share Download PDF Status: Posted Version 1 posted You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. Our growing team is made up of researchers and industry professionals working together to solve the most critical problems facing scientific publishing. Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-3954000","acceptedTermsAndConditions":true,"allowDirectSubmit":true,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":273790394,"identity":"4908a179-b303-4a92-ac9f-d05831b1ca97","order_by":0,"name":"Pedro Lucas Negromonte 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This study investigates the clinical and epidemiological features of AM and provides a literature review.\u0026nbsp;\u003c/p\u003e\n\u003cp\u003eObjective: Analyze the clinical and epidemiological characteristics of AM, assess its incidence, and review existing literature.\u0026nbsp;\u003c/p\u003e\n\u003cp\u003eMethods: A retrospective study was conducted on 28 AM cases out of 584 meningioma patients who underwent surgery between 2013 and 2023. Data were collected from medical records and imaging exams.\u0026nbsp;\u003c/p\u003e\n\u003cp\u003eResults: AM comprised 4.7% of the cases, with a female predominance (1.8:1). Common tumor locations included the convexity (33%), falx/parasagittal region (17%), and sphenoid wing (17%). Clinical presentations were related to increased intracranial pressure, often presenting non-specific symptoms, such as headache and nausea. 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