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Erschienen in: Pediatric Nephrology 11/2019

08.05.2019 | Clinical Quiz

An unusual case of nephrotic syndrome in a microcephalic infant: Answers

verfasst von: Elizabeth Baker, Donald Weaver, Susan Massengill, Dana Mittag, Jane Juusola, Laurie Demmer

Erschienen in: Pediatric Nephrology | Ausgabe 11/2019

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Excerpt

1.
The condition described is a rare X-linked form of Galloway Mowat syndrome (GAMOS). GAMOS is comprised of congenital microcephaly, early-onset steroid-resistant nephrotic syndrome, development delay, cerebral or cerebellar atrophy, hypotonia, seizures, and short stature [16].
 
2.
The diagnosis was made by exome sequencing which was sent at 8 months of life due to severe microcephaly, growth failure and abnormal brain MRI. Exome sequencing was performed using genomic DNA from the proband and parents [7]. Results showed a de novo LAGE3 splice site variant (c.317+4A>G; IVS2+4 A>G), predicted to be Likely Pathogenic for Galloway Mowat 2. This variant is carried on the X chromosome and was absent in both parents. The diagnosis of GAMOS alerted the providers and family to the high risk of nephrotic syndrome; urine studies were undertaken which showed proteinuria. Fulminant nephrotic syndrome followed 1 month later.
 
Literatur
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Metadaten
Titel
An unusual case of nephrotic syndrome in a microcephalic infant: Answers
verfasst von
Elizabeth Baker
Donald Weaver
Susan Massengill
Dana Mittag
Jane Juusola
Laurie Demmer
Publikationsdatum
08.05.2019
Verlag
Springer Berlin Heidelberg
Erschienen in
Pediatric Nephrology / Ausgabe 11/2019
Print ISSN: 0931-041X
Elektronische ISSN: 1432-198X
DOI
https://doi.org/10.1007/s00467-019-04261-3

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