{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T03:56:58Z","timestamp":1787025418564,"version":"build-2736575974"},"reference-count":14,"publisher":"Scientific Scholar","content-domain":{"domain":["surgicalneurologyint.com"],"crossmark-restriction":true},"short-container-title":[],"abstract":"\n Background:<\/jats:title>\n Cavum septum pellucidum (CSP) and cavum vergae (CV) are normal anatomical variations present in some children, adolescents, and adults. When the cavity is larger than normal, it is called a cyst. Symptomatic cases of CSP and CV cyst are rare, and the clinical presentation is varied. A case with multiple nerve involvement is described.<\/jats:p>\n <\/jats:sec>\n \n Case Description:<\/jats:title>\n A healthy 17-year-old female presented a sudden headache, right cervicobrachialgia, right ptosis, visual changes, and left facial paralysis over 10 days. Head magnetic resonance imaging revealed CSP and CV cyst. Inflammation, infection, and vascular disorders were ruled out. We decided to perform a right transfrontal endoscopic intraventricular septostomy and a right Monro foraminoplasty, which were successful. One month after surgery, the patient had no more signs or symptoms. She has remained asymptomatic for the past year.<\/jats:p>\n <\/jats:sec>\n \n Conclusion:<\/jats:title>\n Multiple nerve involvement was directly related to CSP and CV cyst. The cyst bilaterally occluded the foramen of Monro causing intracranial hypertension. It was possible to obtain complete resolution of the clinical features through neuroendoscopic fenestration and foraminoplasty.<\/jats:p>\n <\/jats:sec>","DOI":"10.25259\/sni_822_2022","type":"journal-article","created":{"date-parts":[[2022,12,2]],"date-time":"2022-12-02T03:46:51Z","timestamp":1669952811000},"page":"564","update-policy":"https:\/\/doi.org\/10.25259\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Cavum septum pellucidum and vergae cyst: A symptomatic case with intracranial hypertension and multiple nerve involvement"],"prefix":"10.25259","volume":"13","author":[{"given":"Dom\u00eanica Baroni Coelho de Oliveira","family":"Ferreira","sequence":"first","affiliation":[{"name":"Department of Neurosurgery, Universidade do Estado do Rio de Janeiro,"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Juliana Weiler","family":"Medeiros","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Universidade do Estado do Rio de Janeiro,"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eduardo","family":"Cwajg","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, Hospital Universit\u00e1rio Pedro Ernesto, Rio de Janeiro, Brazil."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pedro Henrique Costa","family":"Ferreira-Pinto","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Hospital Universit\u00e1rio Pedro Ernesto, Rio de Janeiro, Brazil."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Leandro Ururahy","family":"de Carvalho","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Hospital Universit\u00e1rio Pedro Ernesto, Rio de Janeiro, Brazil."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fl\u00e1vio","family":"Nigri","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Hospital Universit\u00e1rio Pedro Ernesto, Rio de Janeiro, Brazil."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"10894","published-online":{"date-parts":[[2022,12,2]]},"reference":[{"key":"10.25259\/SNI_822_2022\/ref-1","doi-asserted-by":"crossref","first-page":"14","DOI":"10.1055\/s-0028-1124019","article-title":"Isolated palsies of cranial nerves III, IV, and VI","volume":"29","author":"Brazis","year":"2009","journal-title":"Semin Neurol"},{"key":"10.25259\/SNI_822_2022\/ref-2","first-page":"49","article-title":"Prevalence of cavum septum pellucidum and\/or cavum vergae in brain computed tomographies of Taiwanese","volume":"23","author":"Chen","year":"2014","journal-title":"Acta Neurol Taiwan"},{"key":"10.25259\/SNI_822_2022\/ref-3","article-title":"Cavum septum pellucidum","volume-title":"StatPearls","author":"Das","year":"2022"},{"key":"10.25259\/SNI_822_2022\/ref-4","doi-asserted-by":"crossref","first-page":"101579","DOI":"10.1016\/j.inat.2022.101579","article-title":"Endoscopic monro foraminoplasty, types, techniques and complications avoidance","volume":"29","author":"Elkheshin","year":"2022","journal-title":"Interdiscip Neurosurg"},{"key":"10.25259\/SNI_822_2022\/ref-5","first-page":"443","article-title":"VI and VII cranial nerve injury secondary to intracranial idiopathic hypertension in a pediatric patient","volume":"72","author":"Fern\u00e1ndez-Monteagudo","year":"2021","journal-title":"Rev Neurol"},{"key":"10.25259\/SNI_822_2022\/ref-6","doi-asserted-by":"crossref","first-page":"111","DOI":"10.17116\/neiro202084041111","article-title":"Cysts of septum pellucidum, cavum vergae and cavum veli interpositi. 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