{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,4]],"date-time":"2026-10-04T19:00:14Z","timestamp":1791140414709,"version":"4.1.0"},"reference-count":20,"publisher":"SAGE Publications","issue":"11","license":[{"start":{"date-parts":[[2021,4,3]],"date-time":"2021-04-03T00:00:00Z","timestamp":1617408000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"DOI":"10.13039\/100000055","name":"National Institute on Deafness and Other Communication Disorders","doi-asserted-by":"publisher","award":["R01DC013912"],"award-info":[{"award-number":["R01DC013912"]}],"id":[{"id":"10.13039\/100000055","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000055","name":"National Institute on Deafness and Other Communication Disorders","doi-asserted-by":"publisher","award":["T32 DC-012280"],"award-info":[{"award-number":["T32 DC-012280"]}],"id":[{"id":"10.13039\/100000055","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100018857","name":"Med-El Corporation","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100018857","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/100016193","name":"University of Colorado School of Medicine","doi-asserted-by":"crossref","id":[{"id":"10.13039\/100016193","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Ann Otol Rhinol Laryngol"],"published-print":{"date-parts":[[2021,11]]},"abstract":"<jats:sec>\n                    <jats:title>Objective:<\/jats:title>\n                    <jats:p>To describe a case of benign paroxysmal positional vertigo (BPPV) resulting in reversible horizontal semicircular canalith jam successfully treated with horizontal canal occlusion. A brief literature review of similar cases was performed.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>Case report and literature review.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>A 68-year-old female presented with apogeotropic positional nystagmus, attributed to reversible horizontal canalith jam mimicking cupulolithiasis that was refractory to tailored repositioning maneuvers across months. She was unable to work due to the severity of her symptoms. She underwent surgical occlusion of the affected canal with immediate resolution of her symptoms. A literature review revealed similar cases of canalith jam mimicking cupulolithiasis.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions:<\/jats:title>\n                    <jats:p>Reversible canalith jam, in which particles moving with horizontal head position alternate between obstructing the semicircular canal and resting on the cupula, can mimic signs of cupulolithiasis. This variant of BPPV can be effectively managed with surgical canal occlusion should symptoms fail to resolve after tailored repositioning maneuvers.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/00034894211007245","type":"journal-article","created":{"date-parts":[[2021,4,3]],"date-time":"2021-04-03T03:12:12Z","timestamp":1617419532000},"page":"1213-1219","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":7,"title":["Reversible Canalith Jam of the Horizontal Semicircular Canal Mimicking Cupulolithiasis"],"prefix":"10.1177","volume":"130","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0130-0684","authenticated-orcid":false,"given":"Olivia A.","family":"Kalmanson","sequence":"first","affiliation":[{"name":"Department of Otolaryngology, The University of Colorado School of Medicine, Aurora, CO, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Davis M.","family":"Aasen","sequence":"additional","affiliation":[{"name":"Department of Otolaryngology, The University of Colorado School of Medicine, Aurora, CO, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Samuel P.","family":"Gubbels","sequence":"additional","affiliation":[{"name":"Department of Otolaryngology, The University of Colorado School of Medicine, Aurora, CO, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Carol A.","family":"Foster","sequence":"additional","affiliation":[{"name":"Department of Otolaryngology, The University of Colorado School of Medicine, Aurora, CO, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2021,4,3]]},"reference":[{"key":"bibr1-00034894211007245","doi-asserted-by":"publisher","DOI":"10.1007\/s00405-004-0841-x"},{"key":"bibr2-00034894211007245","doi-asserted-by":"publisher","DOI":"10.1136\/jnnp.2006.100420"},{"key":"bibr3-00034894211007245","doi-asserted-by":"publisher","DOI":"10.14639\/0392-100x-1121"},{"key":"bibr4-00034894211007245","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0105546"},{"key":"bibr5-00034894211007245","doi-asserted-by":"publisher","DOI":"10.1002\/lio2.230"},{"issue":"7","key":"bibr6-00034894211007245","first-page":"681","volume":"169","author":"Parnes LS","year":"2003","journal-title":"CMAJ"},{"key":"bibr7-00034894211007245","doi-asserted-by":"publisher","DOI":"10.1016\/j.nrl.2010.01.004"},{"key":"bibr8-00034894211007245","doi-asserted-by":"publisher","DOI":"10.3399\/bjgp18X700253"},{"key":"bibr9-00034894211007245","doi-asserted-by":"publisher","DOI":"10.1159\/000076056"},{"key":"bibr10-00034894211007245","doi-asserted-by":"publisher","DOI":"10.1177\/0003489414556307"},{"issue":"3","key":"bibr11-00034894211007245","volume":"37","author":"Chen Z","year":"2008","journal-title":"J Otolaryngol Head Neck Surg"},{"key":"bibr12-00034894211007245","doi-asserted-by":"publisher","DOI":"10.1001\/jamaoto.2015.0711"},{"key":"bibr13-00034894211007245","doi-asserted-by":"publisher","DOI":"10.1007\/s00415-016-8027-1"},{"key":"bibr14-00034894211007245","doi-asserted-by":"publisher","DOI":"10.1111\/j.1749-6632.2008.03720.x"},{"key":"bibr15-00034894211007245","doi-asserted-by":"publisher","DOI":"10.1002\/lary.24048"},{"key":"bibr16-00034894211007245","doi-asserted-by":"publisher","DOI":"10.1212\/wnl.57.6.1085"},{"key":"bibr17-00034894211007245","doi-asserted-by":"publisher","DOI":"10.1097\/MAO.0000000000001949"},{"key":"bibr18-00034894211007245","doi-asserted-by":"publisher","DOI":"10.1212\/wnl.56.5.684"},{"key":"bibr19-00034894211007245","doi-asserted-by":"publisher","DOI":"10.1001\/archotol.1969.00770030767020"},{"key":"bibr20-00034894211007245","doi-asserted-by":"publisher","DOI":"10.1288\/00005537-199201000-00011"}],"container-title":["Annals of Otology, Rhinology &amp; 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