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Brain MRI showed features compatible with acute disseminated encephalomyelitis. Immune screen and EEG were normal. She was treated with intravenous methylprednisolone followed by oral prednisolone. The patient made an almost full neurological recovery within 4\u2005weeks after starting on steroids. The patient delivered a healthy baby at 38\u2005weeks gestation. This case highlights the importance to keep in mind rare conditions that need early recognition and prompt treatment. Brain MRI is the key to early diagnosis and treatment.<\/jats:p>","DOI":"10.1136\/bcr-2013-201072","type":"journal-article","created":{"date-parts":[[2014,10,3]],"date-time":"2014-10-03T09:53:23Z","timestamp":1412330003000},"page":"bcr2013201072","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":6,"title":["Acute disseminated encephalomyelitis (ADEM) following a H3N3 parainfluenza virus infection in a pregnant asthmatic woman with respiratory failure"],"prefix":"10.1136","volume":"2014","author":[{"given":"Qaiser","family":"Zeb","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ana","family":"Alegria","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2014,10,3]]},"reference":[{"key":"2025042706385496000_2014.oct03_1.bcr2013201072.1","doi-asserted-by":"publisher","DOI":"10.1007\/s00415-011-6258-8"},{"key":"2025042706385496000_2014.oct03_1.bcr2013201072.2","doi-asserted-by":"publisher","DOI":"10.1016\/j.pediatrneurol.2012.03.019"},{"key":"2025042706385496000_2014.oct03_1.bcr2013201072.3","doi-asserted-by":"publisher","DOI":"10.1016\/j.pediatrneurol.2013.12.006"},{"key":"2025042706385496000_2014.oct03_1.bcr2013201072.4","doi-asserted-by":"crossref","first-page":"2407","DOI":"10.1093\/brain\/123.12.2407","article-title":"Acute disseminated encephalomyelitis, multiphasic disseminated encephalomyelitis and multiple sclerosis in children","volume":"12","author":"Dale","year":"2000","journal-title":"Brain"},{"key":"2025042706385496000_2014.oct03_1.bcr2013201072.5","unstructured":"Lotze TE , Chadwick DJ . Acute disseminated encephalomyelitis in children: pathogenesis, clinical features, and diagnosis. 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