Article ; Online: Prenatal characterization of novel neurosonographic findings in a fetus with SOTOS syndrome.
2023 Volume 44, Issue 3, Page(s) 360–363
Abstract: Sotos syndrome is a rare genetic disorder that occurs in less than 1 in 10,000 births. It is characterized by rapid growth during childhood (tall stature and unusually large head), typical facial dysmorphic features, neurodevelopmental delays of both ... ...
| Abstract | Sotos syndrome is a rare genetic disorder that occurs in less than 1 in 10,000 births. It is characterized by rapid growth during childhood (tall stature and unusually large head), typical facial dysmorphic features, neurodevelopmental delays of both mental and movement abilities, and learning disabilities. Prenatal diagnosis of Sotos syndrome is infrequent and sonographic findings are not well characterized as the condition is generally detected during childhood. We present a case in which routine third trimester ultrasound detected intracranial findings including ventriculomegaly, periventricular pseudocysts, and increased periventricular echogenicity. Although initially suspected to be the result of fetal infection with CMV, amniocentesis excluded fetal infection and microarray analysis detected a de novo 2.13 MB interstitial deletion of 5q35.2-35.3 involving several genes including the NSD1 gene, thus confirming the diagnosis of Sotos syndrome. This case provides novel characterization of the sonographic phenotype in a fetus with Sotos syndrome and discusses the differential diagnosis. |
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| MeSH term(s) | Pregnancy ; Female ; Humans ; Sotos Syndrome/diagnostic imaging ; Sotos Syndrome/genetics ; Histone-Lysine N-Methyltransferase/genetics ; Histone Methyltransferases/genetics ; Phenotype ; Fetus |
| Chemical Substances | Histone-Lysine N-Methyltransferase (EC 2.1.1.43) ; Histone Methyltransferases (EC 2.1.1.-) |
| Language | English |
| Publishing date | 2023-12-27 |
| Publishing country | England |
| Document type | Case Reports |
| ZDB-ID | 82031-3 |
| ISSN | 1097-0223 ; 0197-3851 |
| ISSN (online) | 1097-0223 |
| ISSN | 0197-3851 |
| DOI | 10.1002/pd.6504 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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