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L1CAM variants cause two distinct imaging phenotypes on fetal MRI.
- Source :
-
Annals of clinical and translational neurology [Ann Clin Transl Neurol] 2021 Oct; Vol. 8 (10), pp. 2004-2012. Date of Electronic Publication: 2021 Sep 12. - Publication Year :
- 2021
-
Abstract
- Data on fetal MRI in L1 syndrome are scarce with relevant implications for parental counseling and surgical planning. We identified two fetal MR imaging patterns in 10 fetuses harboring L1CAM mutations: the first, observed in 9 fetuses was characterized by callosal anomalies, diencephalosynapsis, and a distinct brainstem malformation with diencephalic-mesencephalic junction dysplasia and brainstem kinking. Cerebellar vermis hypoplasia, aqueductal stenosis, obstructive hydrocephalus, and pontine hypoplasia were variably associated. The second pattern observed in one fetus was characterized by callosal dysgenesis, reduced white matter, and pontine hypoplasia. The identification of these features should alert clinicians to offer a prenatal L1CAM testing.<br /> (© 2021 The Authors. Annals of Clinical and Translational Neurology published by Wiley Periodicals LLC on behalf of American Neurological Association.)
- Subjects :
- Humans
Magnetic Resonance Imaging
Male
Phenotype
Prenatal Diagnosis
Retrospective Studies
Brain abnormalities
Brain diagnostic imaging
Fetus abnormalities
Fetus diagnostic imaging
Nervous System Malformations diagnostic imaging
Nervous System Malformations genetics
Neural Cell Adhesion Molecule L1 genetics
Subjects
Details
- Language :
- English
- ISSN :
- 2328-9503
- Volume :
- 8
- Issue :
- 10
- Database :
- MEDLINE
- Journal :
- Annals of clinical and translational neurology
- Publication Type :
- Academic Journal
- Accession number :
- 34510796
- Full Text :
- https://doi.org/10.1002/acn3.51448