{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,25]],"date-time":"2026-03-25T03:18:40Z","timestamp":1774408720316,"version":"3.50.1"},"reference-count":12,"publisher":"Cambridge University Press (CUP)","issue":"2","license":[{"start":{"date-parts":[[2016,2,16]],"date-time":"2016-02-16T00:00:00Z","timestamp":1455580800000},"content-version":"unspecified","delay-in-days":4308,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Can. j. neurol. sci."],"published-print":{"date-parts":[[2004,5]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec id=\"S0317167100053968_abs1\"><jats:title>Background:<\/jats:title><jats:p>Calcium pyrophosphate dihydrate deposition in the cervical spine is infrequently symptomatic. This is especially true at the craniocervical junction and upper cervical spine.<\/jats:p><\/jats:sec><jats:sec id=\"S0317167100053968_abs2\"><jats:title>Case Report:<\/jats:title><jats:p>A 70-year-old previously healthy woman presented with a progressive cervical myelopathy of four months duration.<\/jats:p><\/jats:sec><jats:sec id=\"S0317167100053968_abs3\"><jats:title>Results:<\/jats:title><jats:p>Examination revealed sensorimotor findings consistent with an upper cervical myelopathy. Radiological studies (plain radiographs, computed tomography, and magnetic resonance imaging) revealed C1-2 instability, and a well-defined extradural 3cm x 1cm retro-odontoid mass causing spinal cord compression. Transoral resection of the mass was performed followed by posterior C1-2 stabilization. Histological examination of the mass confirmed calcium pyrophosphate dihydrate deposition. Follow-up examination showed marked clinical and radiological improvement.<\/jats:p><\/jats:sec><jats:sec id=\"S0317167100053968_abs4\"><jats:title>Conclusion:<\/jats:title><jats:p>Although uncommon, calcium pyrophosphate dihydrate deposition disease should be considered in the differential diagnosis of extradural mass lesions in the region of the odontoid.<\/jats:p><\/jats:sec>","DOI":"10.1017\/s0317167100053968","type":"journal-article","created":{"date-parts":[[2016,2,17]],"date-time":"2016-02-17T04:27:41Z","timestamp":1455683261000},"page":"273-275","source":"Crossref","is-referenced-by-count":13,"title":["Pseudogout of the Transverse Atlantal Ligament: An Unusual Cause of Cervical Myelopathy"],"prefix":"10.1017","volume":"31","author":[{"suffix":"Jr.","given":"Donald E.G.","family":"Griesdale","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mike","family":"Boyd","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ramesh L.","family":"Sahjpaul","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"56","published-online":{"date-parts":[[2016,2,16]]},"reference":[{"key":"S0317167100053968_ref012","doi-asserted-by":"publisher","DOI":"10.1227\/01.NEU.0000068861.47199.A8"},{"key":"S0317167100053968_ref008","doi-asserted-by":"publisher","DOI":"10.1097\/00007632-199602150-00019"},{"key":"S0317167100053968_ref005","doi-asserted-by":"publisher","DOI":"10.1136\/jnnp.54.7.658"},{"key":"S0317167100053968_ref004","doi-asserted-by":"publisher","DOI":"10.1016\/0046-8177(95)90161-2"},{"key":"S0317167100053968_ref011","doi-asserted-by":"publisher","DOI":"10.1136\/ard.55.2.137"},{"key":"S0317167100053968_ref007","volume-title":"Textbook of Rheumatology","author":"Howell","year":"1981"},{"key":"S0317167100053968_ref006","doi-asserted-by":"publisher","DOI":"10.1097\/00007632-200106150-00027"},{"key":"S0317167100053968_ref009","doi-asserted-by":"crossref","first-page":"396","DOI":"10.1097\/00007632-200209010-00028","article-title":"Pseudogout attack of the lumbar facet joint: a case report","volume":"27","author":"Takaaki","year":"2002","journal-title":"Spine"},{"key":"S0317167100053968_ref003","doi-asserted-by":"publisher","DOI":"10.3171\/jns.1989.71.1.0141"},{"key":"S0317167100053968_ref010","doi-asserted-by":"publisher","DOI":"10.1007\/BF00439211"},{"key":"S0317167100053968_ref001","doi-asserted-by":"publisher","DOI":"10.3171\/jns.1996.85.5.0803"},{"key":"S0317167100053968_ref002","doi-asserted-by":"publisher","DOI":"10.1001\/archinte.159.2.189"}],"container-title":["Canadian Journal of Neurological Sciences \/ Journal Canadien des Sciences Neurologiques"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.cambridge.org\/core\/services\/aop-cambridge-core\/content\/view\/S0317167100053968","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2019,5,6]],"date-time":"2019-05-06T17:14:16Z","timestamp":1557162856000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.cambridge.org\/core\/product\/identifier\/S0317167100053968\/type\/journal_article"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2004,5]]},"references-count":12,"journal-issue":{"issue":"2","published-print":{"date-parts":[[2004,5]]}},"alternative-id":["S0317167100053968"],"URL":"https:\/\/doi.org\/10.1017\/s0317167100053968","relation":{},"ISSN":["0317-1671","2057-0155"],"issn-type":[{"value":"0317-1671","type":"print"},{"value":"2057-0155","type":"electronic"}],"subject":[],"published":{"date-parts":[[2004,5]]}}}