{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,8,29]],"date-time":"2025-08-29T14:10:25Z","timestamp":1756476625083,"version":"3.44.0"},"reference-count":10,"publisher":"SMC Media","issue":"11","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"abstract":"<jats:p>Background: Reversible cerebral vasoconstriction syndrome (RCVS) is defined as a clinical and radiological syndrome that comprises a group of disorders characterized by sudden-onset severe headache and segmental vasoconstriction of the cerebral arteries with resolution within 3 months. Case presentation: A 51-year-old female patient with a 2-week history of sudden-onset severe headache, visual disturbances and cerebellum; no relevant imaging findings, except for an infundibular dilation at the origin of the posterior communicating artery, and so, angiography was performed. When symptoms persisted, a new imaging study was carried out with findings of RCVS as the cause of the symptoms from the beginning. Conclusions: Findings of RCVS can be obtained in various vasculopathies of the nervous system and vasculitis, being misdiagnosed, and so, clinical suspicion is essential; if vasoconstriction is not demonstrated on the initial image and other diagnoses have been excluded, the patient should be managed as having possible or probable RCVS.<\/jats:p>","DOI":"10.12890\/2020_001839","type":"journal-article","created":{"date-parts":[[2021,5,25]],"date-time":"2021-05-25T09:52:37Z","timestamp":1621936357000},"source":"Crossref","is-referenced-by-count":0,"title":["Reversible Cerebral Vasoconstriction Syndrome Associated with Infundibular Dilation"],"prefix":"10.12890","volume":"7","author":[{"given":"H\u00e9ctor","family":"Montenegro-Rosales","sequence":"additional","affiliation":[{"name":"Medica Sur Hospital, Magnetic Resonance Imaging Department, Mexico City, Mexico"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Blanca Karina","family":"Gonz\u00e1lez-Alonso","sequence":"additional","affiliation":[{"name":"Medica Sur Hospital, Magnetic Resonance Imaging Department, Mexico City, Mexico"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Omar","family":"C\u00e1rdenas-S\u00e1enz","sequence":"additional","affiliation":[{"name":"ISSSTE Zaragoza, Neurology Department, Mexico City, Mexico"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alonso","family":"Gutierrez-Romero","sequence":"additional","affiliation":[{"name":"Medica Sur Hospital, Neurology Department, Mexico City, Mexico"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"10397","published-online":{"date-parts":[[2020,8,31]]},"reference":[{"key":"10.12890\/2020_001839_ref1","doi-asserted-by":"crossref","unstructured":"<li>Miller TR, Shivashankar R, Mossa-Basha M, Gandhi D. Reversible cerebral vasoconstriction syndrome, part 1: epidemiology, pathogenesis, and clinical course. <em>Am J Neuroradiol<\/em> 2015;<strong>36<\/strong>(8):1392\u20131399. <\/li>","DOI":"10.3174\/ajnr.A4214"},{"key":"10.12890\/2020_001839_ref2","doi-asserted-by":"crossref","unstructured":"<li>Bartynski WS. Posterior reversible encephalopathy syndrome, part 2: controversies surrounding pathophysiology of vasogenic edema. <em>Am J Neuroradiol<\/em> 2008;<strong>29<\/strong>(6):1043\u20131049. <\/li>","DOI":"10.3174\/ajnr.A0929"},{"key":"10.12890\/2020_001839_ref3","doi-asserted-by":"crossref","unstructured":"<li>Ansari SA, Rath TJ, Gandhi D. Reversible cerebral vasoconstriction syndromes presenting with subarachnoid hemorrhage: a case series. <em>J Neurointerv Surg<\/em> 2011;<strong>3<\/strong>(3):272\u2013278. <\/li>","DOI":"10.1136\/jnis.2010.004242"},{"key":"10.12890\/2020_001839_ref4","doi-asserted-by":"crossref","unstructured":"<li>Chen SP, Fuh JL, Wang SJ, Chang FC, Lirng JF, Fang YC, et al. Magnetic resonance angiography in reversible cerebral vasoconstriction syndromes. <em>Ann Neurol<\/em> 2010;<strong>67<\/strong>(5):648\u2013656. <\/li>","DOI":"10.1002\/ana.21951"},{"key":"10.12890\/2020_001839_ref5","doi-asserted-by":"crossref","unstructured":"<li>Marder CP, Donohue MM, Weinstein JR, Fink KR. Multimodal imaging of reversible cerebral vasoconstriction syndrome: a series of 6 cases. <em>Am J Neuroradiol<\/em> 2012;<strong>33<\/strong>(7):1403\u20131410. <\/li>","DOI":"10.3174\/ajnr.A2964"},{"key":"10.12890\/2020_001839_ref6","doi-asserted-by":"crossref","unstructured":"<li>Calabrese LH, Dodick DW, Schwedt TJ, Singhal AB. Narrative review: reversible cerebral vasoconstriction syndromes. <em>Ann Intern Med<\/em> 2007;<strong>146<\/strong>(1):34\u201344. <\/li>","DOI":"10.7326\/0003-4819-146-1-200701020-00007"},{"key":"10.12890\/2020_001839_ref7","doi-asserted-by":"crossref","unstructured":"<li>Burton TM, Bushnell CD. Reversible cerebral vasoconstriction syndrome: a diagnostic imaging review. <em>Stroke<\/em> 2019;<strong>50<\/strong>(8):2253\u20132258. <\/li>","DOI":"10.1161\/STROKEAHA.119.024416"},{"key":"10.12890\/2020_001839_ref8","doi-asserted-by":"crossref","unstructured":"<li>Ducros A, Fiedler U, Porcher R, Boukobza M, Stapf C, Bousser MG. Hemorrhagic manifestations of reversible cerebral vasoconstriction syndrome: frequency, features, and risk factors. <em>Stroke<\/em> 2010;<strong>41<\/strong>(11):2505\u20132511. <\/li>","DOI":"10.1161\/STROKEAHA.109.572313"},{"key":"10.12890\/2020_001839_ref9","doi-asserted-by":"crossref","unstructured":"<li>Bartynski WS. Posterior reversible encephalopathy syndrome, part 1: fundamental imaging and clinical features. <em>Am J Neuroradiol<\/em> 2008;<strong>29<\/strong>(6):1036\u20131042. <\/li>","DOI":"10.3174\/ajnr.A0928"},{"key":"10.12890\/2020_001839_ref10","doi-asserted-by":"crossref","unstructured":"<li>Ducros A. 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