{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,4,24]],"date-time":"2025-04-24T04:34:10Z","timestamp":1745469250681,"version":"3.40.4"},"reference-count":15,"publisher":"S. Karger AG","issue":"6","license":[{"start":{"date-parts":[[2012,1,1]],"date-time":"2012-01-01T00:00:00Z","timestamp":1325376000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.karger.com\/Services\/SiteLicenses"},{"start":{"date-parts":[[2012,1,1]],"date-time":"2012-01-01T00:00:00Z","timestamp":1325376000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.karger.com\/Services\/SiteLicenses"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Med Princ Pract"],"published-print":{"date-parts":[[2012]]},"abstract":"<b><i>Objective:<\/i><\/b> To investigate the frequency of ossification of the ligamentum flavum (OLF) in the spine among the Arab population in Kuwait using magnetic resonance imaging (MRI) surveillance of the whole spine. <b><i>Subjects and Methods:<\/i><\/b> A consecutive series of 102 patients with low back pain were recruited from the outpatient clinic of Mubarak Al-Kabeer Hospital, Kuwait. MRI of the whole spine in the sagittal plane was obtained in at least two sequences (T<sub>1<\/sub> and T<sub>2<\/sub>). The OLF was defined as low signal intensity thickening of the ligament in both T<sub>1<\/sub> and T<sub>2<\/sub> sequences on the posterior margin of the spinal canal, causing indentation of the theca with or without cord compression. <b><i>Results:<\/i><\/b> Of the 102 cases, 19 (18.6%) patients had OLF. Of the 19 positive cases, 12 (63.2%) were present at a single level, and 7 (36.8%) at multiple levels. A total of 26 OLF segments were identified in the following anatomical distribution: cervical: 15 (57.7%); upper thoracic (T1\u2013T4): 1 (3.8%); mid thoracic (T5\u2013T8): 4 (15.4%); lower thoracic (T9\u2013T12): 4 (15.4%), and lumbar region: 2 (7.7%). Of the 19 OLF patients, 2 (10.5%) had tandem ossification of the posterior longitudinal ligament in the cervical spine and were symptomatic. <b><i>Conclusions:<\/i><\/b> The frequency of OLF appears to be high among this hospital-based cohort of the Arab population. OLF should be kept in mind if a patient presents with radiculopathy, particularly in the cervical region, for which surgical intervention is contemplated.<\/jats:p>","DOI":"10.1159\/000339120","type":"journal-article","created":{"date-parts":[[2012,6,8]],"date-time":"2012-06-08T12:33:03Z","timestamp":1339158783000},"page":"529-533","source":"Crossref","is-referenced-by-count":7,"title":["Ossification of Ligamentum Flavum in Middle East Arabs: A Hospital-Based Study"],"prefix":"10.1159","volume":"21","author":[{"given":"Khaled","family":"Al-Jarallah","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Osama","family":"Al-Saeed","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Diaa","family":"Shehab","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Khaledah","family":"Dashti","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mehraj","family":"Sheikh","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"127","published-online":{"date-parts":[[2012,6,8]]},"reference":[{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.1097%2F00007632-199807150-00019"},{"key":"ref2","doi-asserted-by":"publisher","DOI":"10.1016%2FS0720-048X%2898%2900030-8"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.1097%2FBRS.0b013e3181b3f779"},{"key":"ref4","doi-asserted-by":"publisher","DOI":"10.1097%2F01.brs.0000169450.49181.91"},{"key":"ref5","doi-asserted-by":"publisher","DOI":"10.1097%2F00004728-199201000-00013"},{"key":"ref6","doi-asserted-by":"publisher","DOI":"10.1097%2F00007632-198811000-00018"},{"key":"ref7","doi-asserted-by":"publisher","DOI":"10.1620%2Ftjem.210.199"},{"key":"ref8","doi-asserted-by":"publisher","DOI":"10.3171%2Fspi.2005.3.5.0348"},{"key":"ref9","doi-asserted-by":"publisher","DOI":"10.3171%2Fspi.2003.99.2.0157"},{"key":"ref10","doi-asserted-by":"publisher","DOI":"10.1007%2Fs00586-005-0903-9"},{"key":"ref11","doi-asserted-by":"publisher","DOI":"10.3171%2Fspi.2004.100.1.0071"},{"key":"ref12","doi-asserted-by":"publisher","DOI":"10.1007%2Fs003300000788"},{"key":"ref13","doi-asserted-by":"publisher","DOI":"10.3171%2Fspi.2006.4.3.191"},{"key":"ref14","doi-asserted-by":"publisher","DOI":"10.1097%2F00007632-199011010-00006"},{"key":"ref15","doi-asserted-by":"publisher","DOI":"10.1007%2FBF00339704"}],"container-title":["Medical Principles and Practice"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.karger.com\/Article\/Pdf\/339120","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/www.karger.com\/Article\/Pdf\/339120","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,4,23]],"date-time":"2025-04-23T18:26:02Z","timestamp":1745432762000},"score":1,"resource":{"primary":{"URL":"https:\/\/karger.com\/article\/doi\/10.1159\/000339120"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2012]]},"references-count":15,"journal-issue":{"issue":"6","published-online":{"date-parts":[[2012,10,1]]},"published-print":{"date-parts":[[2012,10,1]]}},"URL":"https:\/\/doi.org\/10.1159\/000339120","archive":["Portico"],"relation":{},"ISSN":["1011-7571","1423-0151"],"issn-type":[{"type":"print","value":"1011-7571"},{"type":"electronic","value":"1423-0151"}],"subject":[],"published":{"date-parts":[[2012]]}}}