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Diagnosing midline abnormalities prenatally can be challenging, especially in twin pregnancies, due to poor resolution of skull base structures on fetal MRI, basal cephalocele could be mistaken for fluid in the nasopharynx, motion limitation, and fetal positioning. Our case highlights the importance of evaluation for other associated midline anomalies when there is callosal agenesis.<\/jats:p>","DOI":"10.1177\/2329048x231157147","type":"journal-article","created":{"date-parts":[[2023,3,7]],"date-time":"2023-03-07T02:00:18Z","timestamp":1678154418000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":4,"title":["Frontonasal Dysplasia: A Diagnostic Challenge with Fetal MRI in Twin Pregnancy"],"prefix":"10.1177","volume":"10","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2624-9974","authenticated-orcid":false,"given":"Akash","family":"Virupakshaiah","sequence":"first","affiliation":[{"name":"Department of Pediatrics, Division of Neurology, The Children's Hospital of Philadelphia Division of Neurology, Philadelphia, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5845-058X","authenticated-orcid":false,"given":"Sara Reis","family":"Teixeira","sequence":"additional","affiliation":[{"name":"Department of Radiology, Division of Neuroradiology, The Children's Hospital of Philadelphia, Philadelphia, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Susan","family":"Sotardi","sequence":"additional","affiliation":[{"name":"Department of Radiology, Division of Neuroradiology, The Children's Hospital of Philadelphia, Philadelphia, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Grant","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, Division of Neurology, The Children's Hospital of Philadelphia Division of Neurology, Philadelphia, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0668-6897","authenticated-orcid":false,"given":"Sonika","family":"Agarwal","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, Division of Neurology, The Children's Hospital of Philadelphia Division of Neurology, Philadelphia, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2023,3,6]]},"reference":[{"key":"bibr1-2329048X231157147","doi-asserted-by":"publisher","DOI":"10.1038\/nrn2107"},{"key":"bibr2-2329048X231157147","doi-asserted-by":"publisher","DOI":"10.1159\/000120229"},{"key":"bibr3-2329048X231157147","doi-asserted-by":"publisher","DOI":"10.2214\/AJR.05.0146"},{"key":"bibr4-2329048X231157147","doi-asserted-by":"publisher","DOI":"10.7150\/ijms.1.34"},{"key":"bibr5-2329048X231157147","doi-asserted-by":"publisher","DOI":"10.1159\/000450533"},{"key":"bibr6-2329048X231157147","doi-asserted-by":"publisher","DOI":"10.3174\/ajnr.A3745"},{"issue":"2","key":"bibr7-2329048X231157147","first-page":"35","volume":"8","author":"Nawratzki I","year":"1985","journal-title":"Metab Pediatr Syst Ophthalmol (1985)"},{"key":"bibr8-2329048X231157147","doi-asserted-by":"publisher","DOI":"10.1111\/J.1444-0938.2002.TB02390.X"},{"key":"bibr9-2329048X231157147","doi-asserted-by":"publisher","DOI":"10.1016\/0002-9394(70)92269-5"},{"key":"bibr10-2329048X231157147","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(16)31723-8"},{"key":"bibr11-2329048X231157147","doi-asserted-by":"publisher","DOI":"10.1016\/J.EJRAD.2017.06.004"},{"key":"bibr12-2329048X231157147","doi-asserted-by":"publisher","DOI":"10.1016\/J.AJOG.2011.12.024"},{"key":"bibr13-2329048X231157147","doi-asserted-by":"publisher","DOI":"10.3906\/sag-2011-122"},{"key":"bibr14-2329048X231157147","doi-asserted-by":"publisher","DOI":"10.1159\/000363652"}],"container-title":["Child Neurology Open"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/2329048X231157147","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/full-xml\/10.1177\/2329048X231157147","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/2329048X231157147","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,4,28]],"date-time":"2026-04-28T15:57:21Z","timestamp":1777391841000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.sagepub.com\/doi\/10.1177\/2329048X231157147"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2023,1]]},"references-count":14,"alternative-id":["10.1177\/2329048X231157147"],"URL":"https:\/\/doi.org\/10.1177\/2329048x231157147","relation":{},"ISSN":["2329-048X","2329-048X"],"issn-type":[{"value":"2329-048X","type":"print"},{"value":"2329-048X","type":"electronic"}],"subject":[],"published":{"date-parts":[[2023,1]]},"article-number":"2329048X231157147"}}