{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,8]],"date-time":"2026-10-08T12:36:07Z","timestamp":1791462967495,"version":"4.3.4"},"reference-count":28,"publisher":"Elsevier BV","issue":"10","license":[{"start":{"date-parts":[[2006,12,1]],"date-time":"2006-12-01T00:00:00Z","timestamp":1164931200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Clinical Neuroscience"],"published-print":{"date-parts":[[2006,12]]},"DOI":"10.1016\/j.jocn.2005.09.007","type":"journal-article","created":{"date-parts":[[2006,8,25]],"date-time":"2006-08-25T13:49:01Z","timestamp":1156513741000},"page":"1011-1017","source":"Crossref","is-referenced-by-count":91,"title":["Spontaneous subarachnoid haemorrhage with negative initial angiography: A review of 143 cases"],"prefix":"10.1016","volume":"13","author":[{"given":"Jin Young","family":"Jung","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yong Bae","family":"Kim","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jae Whan","family":"Lee","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Seung Kon","family":"Huh","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kyu Chang","family":"Lee","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.jocn.2005.09.007_bib1","doi-asserted-by":"crossref","first-page":"1315","DOI":"10.1097\/00006123-199912000-00008","article-title":"Computed tomographic angiography versus digital subtraction angiography for the diagnosis and early treatment of ruptured intracranial aneurysms","volume":"45","author":"Anderson","year":"1999","journal-title":"Neurosurgery"},{"key":"10.1016\/j.jocn.2005.09.007_bib2","doi-asserted-by":"crossref","first-page":"712","DOI":"10.3171\/jns.1978.48.5.0712","article-title":"The value of repeat panangiography in cases of unexplained subarachnoid haemorrhage","volume":"48","author":"Forster","year":"1978","journal-title":"J Neurosurg"},{"key":"10.1016\/j.jocn.2005.09.007_bib3","doi-asserted-by":"crossref","first-page":"278","DOI":"10.3171\/jns.2000.92.2.0278","article-title":"Use of spiral computerized tomography angiography in patients with subarachnoid haemorrhage in whom subtraction angiography did not reveal cerebral aneurysms","volume":"92","author":"Hashimoto","year":"2000","journal-title":"J Neurosurg"},{"key":"10.1016\/j.jocn.2005.09.007_bib4","doi-asserted-by":"crossref","first-page":"45","DOI":"10.1227\/00006123-199007000-00006","article-title":"Ruptured cerebral aneurysms missed by initial angiographic study","volume":"27","author":"Iwanaga","year":"1990","journal-title":"Neurosurgery"},{"key":"10.1016\/j.jocn.2005.09.007_bib5","doi-asserted-by":"crossref","first-page":"349","DOI":"10.3171\/jns.1985.63.3.0349","article-title":"Subarachnoid haemorrhage of unknown origin: prognosis and prognostic factors","volume":"63","author":"Brismar","year":"1985","journal-title":"J Neurosurg"},{"key":"10.1016\/j.jocn.2005.09.007_bib6","doi-asserted-by":"crossref","first-page":"359","DOI":"10.3171\/jns.1986.64.3.0359","article-title":"Prognosis in subarachnoid haemorrhage of unknown etiology","volume":"64","author":"Juul","year":"1986","journal-title":"J Neurosurg"},{"key":"10.1016\/j.jocn.2005.09.007_bib7","doi-asserted-by":"crossref","first-page":"27","DOI":"10.1007\/BF02352063","article-title":"Subarachnoid haemorrhage of unknown origin: Longterm prognosis","volume":"15","author":"Mehdorn","year":"1992","journal-title":"Neurosurg Rev"},{"key":"10.1016\/j.jocn.2005.09.007_bib8","doi-asserted-by":"crossref","first-page":"1147","DOI":"10.1001\/archneur.1984.04050220041012","article-title":"Cooperative study of intracranial aneurysm and subarachnoid haemorrhage: A long-term prognostic study III. Subarachnoid haemorrhage of undetermined etiology","volume":"41","author":"Nishioka","year":"1984","journal-title":"Arch Neurol"},{"key":"10.1016\/j.jocn.2005.09.007_bib9","doi-asserted-by":"crossref","first-page":"277","DOI":"10.1007\/BF00313865","article-title":"Long-term prognosis of subarachnoid haemorrhages of unknown-etiology","volume":"232","author":"Ruelle","year":"1985","journal-title":"J Neurol"},{"key":"10.1016\/j.jocn.2005.09.007_bib10","doi-asserted-by":"crossref","first-page":"493","DOI":"10.1212\/WNL.35.4.493","article-title":"Perimesencephalic haemorrhage: A nonaneurysmal and benign form of subarachnoid haemorrhage","volume":"35","author":"Van Gijn","year":"1985","journal-title":"Neurology"},{"key":"10.1016\/j.jocn.2005.09.007_bib11","doi-asserted-by":"crossref","unstructured":"UK-TIA Study Group. The UK-TIA aspirin trial: Interim results. Br Med J 1988;296:316\u201320.","DOI":"10.1136\/bmj.296.6618.316"},{"key":"10.1016\/j.jocn.2005.09.007_bib12","doi-asserted-by":"crossref","first-page":"537","DOI":"10.3171\/jns.1986.64.4.0537","article-title":"Spontaneous subarachnoid haemorrhage and negative panangiography: review of 149 cases","volume":"64","author":"Alexander","year":"1986","journal-title":"J Neurosurg"},{"key":"10.1016\/j.jocn.2005.09.007_bib13","doi-asserted-by":"crossref","first-page":"132","DOI":"10.1136\/jnnp.48.2.132","article-title":"Incidence of delayed cerebral ischaemia following subarachnoid haemorrhage of unknown cause","volume":"8","author":"Barlow","year":"1985","journal-title":"J Neurol Neurosurg Psychiatry"},{"key":"10.1016\/j.jocn.2005.09.007_bib14","doi-asserted-by":"crossref","first-page":"409","DOI":"10.1227\/00006123-198310000-00010","article-title":"Subarachnoid haemorrhage with normal cerebral panangiography","volume":"13","author":"Beguelin","year":"1983","journal-title":"Neurosurgery"},{"key":"10.1016\/j.jocn.2005.09.007_bib15","doi-asserted-by":"crossref","first-page":"777","DOI":"10.1016\/S0140-6736(84)91286-8","article-title":"Prognosis of spontaneous (non traumatic) subarachnoid haemorrhage of unknown cause","volume":"1","author":"Shepard","year":"1984","journal-title":"Lancet"},{"key":"10.1016\/j.jocn.2005.09.007_bib16","doi-asserted-by":"crossref","first-page":"310","DOI":"10.1227\/00006123-198709000-00005","article-title":"Subarachnoid haemorrhage of unknown cause","volume":"21","author":"Suzuki","year":"1987","journal-title":"Neurosurgery"},{"key":"10.1016\/j.jocn.2005.09.007_bib17","doi-asserted-by":"crossref","first-page":"674","DOI":"10.3171\/jns.1993.79.5.0674","article-title":"Surgery for angiographically occult cerebral aneurysms","volume":"79","author":"Jafar","year":"1993","journal-title":"J Neurosurg"},{"key":"10.1016\/j.jocn.2005.09.007_bib18","doi-asserted-by":"crossref","first-page":"426","DOI":"10.3171\/jns.2003.98.2.0426","article-title":"Significance of small bulge on the basilar artery in patients with perimesencephalic nonaneurysmal subarachnoid haemorrhage: Report of two cases","volume":"8","author":"Matsumaru","year":"2003","journal-title":"J Neurosurg"},{"key":"10.1016\/j.jocn.2005.09.007_bib19","doi-asserted-by":"crossref","first-page":"48","DOI":"10.1227\/00006123-199507000-00007","article-title":"Aneurysmal and microaneurysmal \u201cangiogram-negative\u201d subarachnoid haemorrhage","volume":"37","author":"Tatter","year":"1995","journal-title":"Neurosurgery"},{"key":"10.1016\/j.jocn.2005.09.007_bib20","doi-asserted-by":"crossref","first-page":"1169","DOI":"10.4065\/75.11.1169","article-title":"Origin of pretruncal nonaneurysmal subarachnoid haemorrhage: Ruptured vein, perforating artery, or intramural hematoma?","volume":"75","author":"Schievink","year":"2000","journal-title":"Mayo Clin Proc"},{"key":"10.1016\/j.jocn.2005.09.007_bib21","doi-asserted-by":"crossref","first-page":"319","DOI":"10.1007\/s00234-001-0741-3","article-title":"Perimesencephalic nonaneurysmal subarachnoid haemorrhage and variation in the veins","volume":"44","author":"Watanabe","year":"2002","journal-title":"Neuroradiology"},{"key":"10.1016\/j.jocn.2005.09.007_bib22","doi-asserted-by":"crossref","first-page":"1235","DOI":"10.3171\/jns.2003.98.6.1235","article-title":"Subarachnoid haemorrhage without evident cause on initial angiography studies: diagnostic yield of subsequent angiography and other neuroimaging tests","volume":"98","author":"Topcuoglu","year":"2003","journal-title":"J Neurosurg"},{"key":"10.1016\/j.jocn.2005.09.007_bib23","first-page":"829","article-title":"Nonaneurysmal perimesencephalic subarachnoid haemorrhage: CT and MR patterns that differ from aneurysmal rupture","volume":"12","author":"Rinkel","year":"1991","journal-title":"AJNR Am J Neuroradiol"},{"key":"10.1016\/j.jocn.2005.09.007_bib24","doi-asserted-by":"crossref","first-page":"201","DOI":"10.2214\/ajr.172.1.9888768","article-title":"Assessment of the value of MR imaging for examining patients with angiographically negative subarachnoid haemorrhage","volume":"172","author":"Rogg","year":"1999","journal-title":"Am J Roentgenol"},{"key":"10.1016\/j.jocn.2005.09.007_bib25","doi-asserted-by":"crossref","first-page":"1103","DOI":"10.1161\/01.STR.30.5.1103","article-title":"Perimesencephalic haemorrhage: Exclusion of vertebrobasilar aneurysms with CT angiography","volume":"30","author":"Velthuis","year":"1999","journal-title":"Stroke"},{"key":"10.1016\/j.jocn.2005.09.007_bib26","doi-asserted-by":"crossref","first-page":"2976","DOI":"10.1161\/01.STR.31.12.2976","article-title":"Perimesencephalic haemorrhage and CT angiography: a decision analysis","volume":"31","author":"Yente","year":"2000","journal-title":"Stroke"},{"key":"10.1016\/j.jocn.2005.09.007_bib27","doi-asserted-by":"crossref","first-page":"15","DOI":"10.1007\/BF00593209","article-title":"The negative angiogram in subarachnoid haemorrhage","volume":"38","author":"Duong","year":"1996","journal-title":"Neuroradiology"},{"key":"10.1016\/j.jocn.2005.09.007_bib28","doi-asserted-by":"crossref","first-page":"529","DOI":"10.3171\/jns.2003.98.3.0529","article-title":"Comparison between perimesencephalic nonaneurysmal subarachnoid haemorrhage and subarachnoid haemorrhage caused by posterior circulation aneurysms","volume":"98","author":"Alen","year":"2003","journal-title":"J Neurosurg"}],"container-title":["Journal of Clinical Neuroscience"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0967586806002232?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0967586806002232?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2019,4,20]],"date-time":"2019-04-20T16:44:40Z","timestamp":1555778680000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0967586806002232"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2006,12]]},"references-count":28,"journal-issue":{"issue":"10","published-print":{"date-parts":[[2006,12]]}},"alternative-id":["S0967586806002232"],"URL":"https:\/\/doi.org\/10.1016\/j.jocn.2005.09.007","relation":{},"ISSN":["0967-5868"],"issn-type":[{"value":"0967-5868","type":"print"}],"subject":[],"published":{"date-parts":[[2006,12]]}}}