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She was treated with steroids and made significant progress improving from T11 ASIA A paraplegia to T11 ASIA C paraplegia by the time of discharge. Awareness of idiopathic ATM presenting hyperacutely with initial MRI spine being normal is important for prompt diagnosis and management.<\/jats:p>","DOI":"10.1136\/bcr-2020-240259","type":"journal-article","created":{"date-parts":[[2021,6,4]],"date-time":"2021-06-04T11:07:21Z","timestamp":1622804841000},"page":"e240259","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":0,"title":["Idiopathic acute transverse myelitis in a middle-aged woman with progression to nadir in less than one hour"],"prefix":"10.1136","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0655-4058","authenticated-orcid":false,"given":"Jamiu Omotayo","family":"Aloba","sequence":"first","affiliation":[{"name":"Emergency Medicine department, University Hospitals of Leicester NHS Trust, Leicester, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sagarika","family":"Muradia","sequence":"additional","affiliation":[{"name":"Neurology, University Hospitals of Leicester NHS Trust, Leicester, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alexandra","family":"Monaghan","sequence":"additional","affiliation":[{"name":"Neurology, University Hospitals of Leicester NHS Trust, Leicester, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zainab","family":"Afolabi","sequence":"additional","affiliation":[{"name":"Radiology, University Hospitals of Leicester NHS Trust, Leicester, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4538-0564","authenticated-orcid":false,"given":"Rama Shankar","family":"Prasad","sequence":"additional","affiliation":[{"name":"Neurology, University Hospitals of Leicester NHS Trust, Leicester, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2021,6,4]]},"reference":[{"key":"2025082800032746000_14.6.e240259.1","doi-asserted-by":"publisher","DOI":"10.1212\/WNL.59.4.499"},{"key":"2025082800032746000_14.6.e240259.2","doi-asserted-by":"crossref","first-page":"e12","DOI":"10.1212\/WNL.0000000000004765","article-title":"Clinical biomarkers differentiate myelitis from vascular and other causes of myelopathy","volume":"90","author":"Barreras","year":"2018","journal-title":"Neurology"},{"key":"2025082800032746000_14.6.e240259.3","first-page":"7","article-title":"Acute transverse myelitis in children","volume":"12","author":"Tavasoli","year":"2018","journal-title":"Iran J Child Neurol"},{"key":"2025082800032746000_14.6.e240259.4","doi-asserted-by":"crossref","DOI":"10.1136\/bcr-2012-007806","article-title":"Cauda equina syndrome: the importance of complete multidisciplinary team management","volume":"2013","author":"Shivji","year":"2013","journal-title":"BMJ Case Rep"},{"key":"2025082800032746000_14.6.e240259.5","doi-asserted-by":"crossref","first-page":"56","DOI":"10.1001\/jamaneurol.2018.2734","article-title":"Characteristics of spontaneous spinal cord infarction and proposed diagnostic criteria","volume":"76","author":"Zalewski","year":"2019","journal-title":"JAMA Neurol"},{"key":"2025082800032746000_14.6.e240259.6","doi-asserted-by":"publisher","DOI":"10.1093\/brain\/awl220"},{"key":"2025082800032746000_14.6.e240259.7","doi-asserted-by":"publisher","DOI":"10.3174\/ajnr.A1485"},{"key":"2025082800032746000_14.6.e240259.8","doi-asserted-by":"crossref","DOI":"10.1038\/scsandc.2017.24","article-title":"Spinal dural arteriovenous fistula: a case series and review of imaging findings","volume":"3","author":"Fox","year":"2017","journal-title":"Spinal Cord Ser Cases"},{"key":"2025082800032746000_14.6.e240259.9","doi-asserted-by":"publisher","DOI":"10.1136\/jnnp.74.10.1438"},{"key":"2025082800032746000_14.6.e240259.10","doi-asserted-by":"publisher","DOI":"10.1212\/01.wnl.0000260609.11357.6f"},{"key":"2025082800032746000_14.6.e240259.11","doi-asserted-by":"crossref","first-page":"341","DOI":"10.1212\/WNL.0000000000001179","article-title":"Acute idiopathic transverse myelitis in children: early predictors of relapse and disability","volume":"84","author":"Deiva","year":"2015","journal-title":"Neurology"},{"key":"2025082800032746000_14.6.e240259.12","doi-asserted-by":"publisher","DOI":"10.1177\/1352458510381393"},{"key":"2025082800032746000_14.6.e240259.13","doi-asserted-by":"crossref","first-page":"1115","DOI":"10.1093\/brain\/120.7.1115","article-title":"Acute transverse myelitis. 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