{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,21]],"date-time":"2025-11-21T07:34:50Z","timestamp":1763710490968,"version":"3.45.0"},"reference-count":6,"publisher":"Scientific Scholar","content-domain":{"domain":["surgicalneurologyint.com"],"crossmark-restriction":true},"short-container-title":[],"abstract":"\n Background:<\/jats:title>\n Here, we report a thoracolumbar (TL) junction synovial cyst (SC) causing a cauda equina syndrome (CES)\/epiconus syndrome (ECS).<\/jats:p>\n <\/jats:sec>\n \n Case Description:<\/jats:title>\n A 69-year-old male presented with a progressive parparesis\/CES. When the magnetic resonance imaging revealed a T12-L1 epiconus\/TL SC, a decompression was performed, resulting in symptomatic improvement (i.e., right-sided foot drop still resolving).<\/jats:p>\n <\/jats:sec>\n \n Conclusion:<\/jats:title>\n ECS attributed to TL SC warrants immediate magnetic resonance evaluations and surgical decompression.<\/jats:p>\n <\/jats:sec>","DOI":"10.25259\/sni_1104_2025","type":"journal-article","created":{"date-parts":[[2025,11,21]],"date-time":"2025-11-21T07:29:54Z","timestamp":1763710194000},"page":"499","update-policy":"https:\/\/doi.org\/10.25259\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["A case of subacute epiconus syndrome caused by thoracolumbar synovial cyst"],"prefix":"10.25259","volume":"16","author":[{"given":"Ryusei","family":"Nobori","sequence":"first","affiliation":[{"name":"Department of Neurosurgery, Kurume University School of Medicine, Kurume, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hisaaki","family":"Uchikado","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Kurume University School of Medicine, Kurume, Japan"},{"name":"Uchikado NeuroSpine Clinic, Fukuoka, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yuko","family":"Baba","sequence":"additional","affiliation":[{"name":"Endo-Spine Center, Baba Neurosurgical Hospital, Yame, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Takehiro","family":"Makizono","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Kurume University School of Medicine, Kurume, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Takayasu","family":"Ando","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Kurume University School of Medicine, Kurume, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gohsuke","family":"Hattori","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Kurume University School of Medicine, Kurume, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Motohiro","family":"Morioka","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Kurume University School of Medicine, Kurume, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"10894","published-online":{"date-parts":[[2025,11,21]]},"reference":[{"key":"10.25259\/SNI_1104_2025\/ref-1","first-page":"e17708","article-title":"Imaging-based diagnosis of epiconus syndrome from the distance of the lesion to where the spinal cord terminates not from the disc level: A case series","volume":"13","author":"Asada","year":"2021","journal-title":"Cureus"},{"key":"10.25259\/SNI_1104_2025\/ref-2","doi-asserted-by":"crossref","first-page":"256","DOI":"10.3171\/2016.12.SPINE16756","article-title":"Synovial cysts of the spine: Long-term follow-up after surgical treatment of 141 cases in a single-center series and comprehensive literature review of 2900 degenerative spinal cysts","volume":"27","author":"Bruder","year":"2017","journal-title":"J Neurosurg Spine"},{"key":"10.25259\/SNI_1104_2025\/ref-3","doi-asserted-by":"crossref","first-page":"52","DOI":"10.3171\/spi.2004.1.1.0052","article-title":"Synovial cysts of the thoracic spine","volume":"1","author":"Cohen-Gadol","year":"2004","journal-title":"J Neurosurg Spine"},{"key":"10.25259\/SNI_1104_2025\/ref-4","first-page":"e12724","article-title":"Difficulty standing on the tiptoes? Think of an epiconus syndrome: A case report and a review of the pathobiology of the conus and epiconus","volume":"13","author":"Kesserwani","year":"2021","journal-title":"Cureus"},{"key":"10.25259\/SNI_1104_2025\/ref-5","doi-asserted-by":"crossref","first-page":"972","DOI":"10.1038\/s41393-019-0317-x","article-title":"Heterogeneity among traumatic spinal cord injuries at the thoracolumbar junction: Helping select patients for clinical trials","volume":"57","author":"Liu","year":"2019","journal-title":"Spinal Cord"},{"key":"10.25259\/SNI_1104_2025\/ref-6","doi-asserted-by":"crossref","first-page":"108806","DOI":"10.1016\/j.clineuro.2025.108806","article-title":"Spinal synovial cyst: A retrospective analysis of 204 cases","volume":"250","author":"Shrestha","year":"2025","journal-title":"Clin Neurol Neurosurg"}],"container-title":["Surgical Neurology International"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/surgicalneurologyint.com\/a-case-of-subacute-epiconus-syndrome-caused-by-thoracolumbar-synovial-cyst\/","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/surgicalneurologyint.com\/surgicalint-articles\/a-case-of-subacute-epiconus-syndrome-caused-by-thoracolumbar-synovial-cyst\/","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,11,21]],"date-time":"2025-11-21T07:29:56Z","timestamp":1763710196000},"score":1,"resource":{"primary":{"URL":"http:\/\/surgicalneurologyint.com\/surgicalint-articles\/a-case-of-subacute-epiconus-syndrome-caused-by-thoracolumbar-synovial-cyst\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2025,11,21]]},"references-count":6,"alternative-id":["10.25259\/SNI_1104_2025"],"URL":"https:\/\/doi.org\/10.25259\/sni_1104_2025","relation":{},"ISSN":["2152-7806","2229-5097"],"issn-type":[{"value":"2152-7806","type":"electronic"},{"value":"2229-5097","type":"print"}],"subject":[],"published":{"date-parts":[[2025,11,21]]},"article-number":"499"}}