{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,4,15]],"date-time":"2023-04-15T21:27:31Z","timestamp":1681594051024},"reference-count":17,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2001,7]]},"abstract":"<jats:p content-type=\"fine-print\">\u2713 The authors report on a 19-year-old man with an acquired tonsillar herniation caused by a craniocervical junction injury in which serial magnetic resonance (MR) images demonstrated patent and isolated segments of the central canal participating in the dilation and then formation of a cervical syrinx. The patient was involved in a motor vehicle accident; he developed tonsillar herniation as a complication of subarachnoid and epidural hemorrhage, predominantly observed around the cisterna magna and upper cervical canal. Repeated MR images obtained over an 11-month period indicated the formation and acute enlargement of the syrinx. Ten months after the accident, the patient presented with sensory disturbance in both upper extremities and spasticity due to syringomyelia. He underwent craniocervical decompressive surgery and duraplasty, which reduced the size of syringomyelia. The authors postulate that the patent central canal may play a role in determining the location of a syrinx remote from a focus of cerebrospinal fluid obstruction.<\/jats:p>","DOI":"10.3171\/spi.2001.95.1.0122","type":"journal-article","created":{"date-parts":[[2009,5,7]],"date-time":"2009-05-07T15:53:32Z","timestamp":1241711612000},"page":"122-127","source":"Crossref","is-referenced-by-count":3,"title":["A craniocervical injury\u2014induced syringomyelia caused by central canal dilation secondary to acquired tonsillar herniation"],"prefix":"10.3171","volume":"95","author":[{"given":"Yukio","family":"Takamura","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tsuyoshi","family":"Kawasaki","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Akira","family":"Takahashi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Katsuyuki","family":"Nunomura","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kei","family":"Tiba","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Masahiro","family":"Hasunuma","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Takeo","family":"Itou","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1754","reference":[{"key":"b1","series-title":"Neurosurgery","doi-asserted-by":"publisher","first-page":"951","DOI":"10.1097\/00006123-199710000-00036","article-title":"Arachnoid cyst rupture producing subdural hygroma and intracranial hypertension: case reports.","volume":"41","author":"Albuquerque","year":"1997"},{"key":"b2","series-title":"J Neurol Sci","doi-asserted-by":"publisher","first-page":"451","DOI":"10.1016\/0022-510X(69)90005-7","article-title":"Syringomyelia due to chronic arachnoiditis at the foramen magnum.","volume":"8","author":"Appleby","year":"1969"},{"key":"b3","series-title":"AJNR","first-page":"867","article-title":"Syringomyelia in association with posterior fossa cyst.","volume":"9","author":"Bann","year":"1998"},{"key":"b4","series-title":"J Neurosurg","doi-asserted-by":"publisher","first-page":"568","DOI":"10.3171\/jns.1993.78.4.0568","article-title":"Tonsillar herniation: the rule rather than the exception after lumboperitoneal shunting in the pediatric population.","volume":"78","author":"Chumas","year":"1993"},{"key":"b5","series-title":"J Comput Assist Tomogr","doi-asserted-by":"publisher","first-page":"351","DOI":"10.1097\/00004728-199905000-00004","article-title":"Idiopathic localized hydromyelia: dilatation of the central canal of the spinal cord of probable congenital origin.","volume":"23","author":"Jinkins","year":"1999"},{"key":"b6","series-title":"J Neurosurg","doi-asserted-by":"publisher","first-page":"233","DOI":"10.3171\/jns.1997.86.2.0233","article-title":"Treatment of syringomyelia associated with arachnoid scarring caused by arachnoiditis or trauma.","volume":"86","author":"Klekamp","year":"1997"},{"key":"b7","series-title":"Acta Neurochir","doi-asserted-by":"publisher","first-page":"38","DOI":"10.1007\/BF02188778","article-title":"Syringomyelia in association with tumours of the posterior fossa. 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