{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,22]],"date-time":"2026-01-22T09:33:20Z","timestamp":1769074400272,"version":"3.49.0"},"reference-count":35,"publisher":"Cambridge University Press (CUP)","issue":"1","license":[{"start":{"date-parts":[[2014,12,2]],"date-time":"2014-12-02T00:00:00Z","timestamp":1417478400000},"content-version":"unspecified","delay-in-days":4322,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Can. j. neurol. sci."],"published-print":{"date-parts":[[2003,2]]},"abstract":"<jats:sec id=\"S031716710000247X_abs1\"><jats:title>Background:<\/jats:title><jats:p>The radiographic identification of pineal cysts has increased dramatically within the last two decades due to the advent of magnetic resonance imaging. Pineal cysts are often found incidentally with only a minority of these lesions ever becoming symptomatic and requiring treatment. Many theories attempting to explain the pathogenesis of these cysts exist.<\/jats:p><\/jats:sec><jats:sec id=\"S031716710000247X_abs2\"><jats:title>Methods:<\/jats:title><jats:p>We describe a case of a 12-year-old girl who presents with a pineal hemorrhage of unknown etiology with associated hydrocephalus.<\/jats:p><\/jats:sec><jats:sec id=\"S031716710000247X_abs3\"><jats:title>Results:<\/jats:title><jats:p>Her hydrocephalus was initially treated with an external ventricular drain followed by a third ventriculostomy. She had no evidence of elevated beta human chorionic gonadotropin or alpha-fetoprotein within the serum or cerebrospinal fluid. Follow-up imaging at seven weeks revealed resolution of her hemorrhage, however, there was development of a progressive cystic lesion within the pineal region. In order to make a definitive tissue diagnosis, a supracerebellar infratentorial surgical approach with complete resection was performed. During the resection, brownish fluid was aspirated from the cyst and the cyst wall was removed. The pathological diagnosis was a pineal cyst.<\/jats:p><\/jats:sec><jats:sec id=\"S031716710000247X_abs4\"><jats:title>Conclusions:<\/jats:title><jats:p>Although cases have been described of pineal apoplexy with an underlying cyst, this case describes the development of a progressive pineal cyst secondary to a hemorrhage. This case demonstrates that pineal hemorrhage may be a promotor for the development or progression of pineal cysts.<\/jats:p><\/jats:sec>","DOI":"10.1017\/s031716710000247x","type":"journal-article","created":{"date-parts":[[2014,12,12]],"date-time":"2014-12-12T10:36:44Z","timestamp":1418380604000},"page":"67-71","source":"Crossref","is-referenced-by-count":31,"title":["Pineal Apoplexy: Is it a Facilitator for the Development of Pineal Cysts?"],"prefix":"10.1017","volume":"30","author":[{"given":"P.D.","family":"McNeely","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"W.J.","family":"Howes","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"V.","family":"Mehta","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"56","published-online":{"date-parts":[[2014,12,2]]},"reference":[{"key":"S031716710000247X_ref031","doi-asserted-by":"publisher","DOI":"10.1227\/00006123-197903000-00015"},{"key":"S031716710000247X_ref013","doi-asserted-by":"publisher","DOI":"10.1227\/00006123-199107000-00017"},{"key":"S031716710000247X_ref035","doi-asserted-by":"publisher","DOI":"10.1136\/jcp.49.3.267"},{"key":"S031716710000247X_ref032","doi-asserted-by":"publisher","DOI":"10.1097\/00005053-194405000-00010"},{"key":"S031716710000247X_ref010","doi-asserted-by":"publisher","DOI":"10.1227\/00006123-199009000-00019"},{"key":"S031716710000247X_ref006","doi-asserted-by":"publisher","DOI":"10.1016\/0149-936X(87)90087-7"},{"key":"S031716710000247X_ref002","doi-asserted-by":"publisher","DOI":"10.3171\/jns.1994.80.3.0454"},{"key":"S031716710000247X_ref021","first-page":"1081","article-title":"Pineal cysts: MR imaging","volume":"7","author":"Marmourian","year":"1986","journal-title":"AJNR"},{"key":"S031716710000247X_ref012","doi-asserted-by":"publisher","DOI":"10.1136\/jnnp.42.11.1050"},{"key":"S031716710000247X_ref029","doi-asserted-by":"publisher","DOI":"10.1002\/path.1711080207"},{"key":"S031716710000247X_ref015","doi-asserted-by":"publisher","DOI":"10.1227\/00006123-199302000-00024"},{"key":"S031716710000247X_ref030","doi-asserted-by":"publisher","DOI":"10.1016\/0006-8993(87)90720-7"},{"key":"S031716710000247X_ref025","doi-asserted-by":"publisher","DOI":"10.1016\/0899-7071(94)00079-4"},{"key":"S031716710000247X_ref011","doi-asserted-by":"publisher","DOI":"10.1227\/00006123-199507000-00002"},{"key":"S031716710000247X_ref005","first-page":"335","article-title":"A case of non-neoplastic pineal cyst presenting as Parinaud\u2019s syndrome","volume":"15","author":"Kabuto","year":"1987","journal-title":"No Shinkei Geka"},{"key":"S031716710000247X_ref034","doi-asserted-by":"publisher","DOI":"10.1080\/02688699845140"},{"key":"S031716710000247X_ref033","first-page":"268","volume-title":"Correlative Anatomy of the Nervous System","author":"Kappers","year":"1962"},{"key":"S031716710000247X_ref023","doi-asserted-by":"publisher","DOI":"10.1097\/00000433-198603000-00014"},{"key":"S031716710000247X_ref009","doi-asserted-by":"publisher","DOI":"10.1016\/0090-3019(88)90033-X"},{"key":"S031716710000247X_ref003","first-page":"560","article-title":"Die operative Entfernung einer Zyste der Glandula pinealis","volume":"33","author":"Pussep","year":"1914","journal-title":"Neurol Zentralbl"},{"key":"S031716710000247X_ref001","doi-asserted-by":"publisher","DOI":"10.1136\/jnnp.52.8.991"},{"key":"S031716710000247X_ref022","doi-asserted-by":"publisher","DOI":"10.1097\/00004728-198707000-00005"},{"key":"S031716710000247X_ref028","doi-asserted-by":"publisher","DOI":"10.1227\/00006123-199511000-00025"},{"key":"S031716710000247X_ref008","doi-asserted-by":"publisher","DOI":"10.3171\/jns.1977.47.5.0776"},{"key":"S031716710000247X_ref004","doi-asserted-by":"publisher","DOI":"10.1136\/bmj.2.4525.490"},{"key":"S031716710000247X_ref018","doi-asserted-by":"publisher","DOI":"10.3171\/jns.1998.88.1.0138"},{"key":"S031716710000247X_ref027","doi-asserted-by":"publisher","DOI":"10.1227\/00006123-199302000-00025"},{"key":"S031716710000247X_ref007","first-page":"223","article-title":"Pineal apoplexy associated with anticoagulant therapy","volume":"45","author":"Apuzzo","year":"1976","journal-title":"Case report. 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