ArticleCureus2025
A Case of Trisomy 9 Mosaicism Diagnosed Following Detection of Placental Trisomy 9.
Article in Cureus, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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5 authors.
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Abstract
We report a case in which fetal growth restriction was observed during pregnancy. A placental chromosomal analysis was performed to investigate the cause of the fetal growth restriction and it showed trisomy 9. Prompt chromosomal testing of the neonate led to the diagnosis of trisomy 9 mosaicism. Although the neonate was small for gestational age and had mild respiratory distress and feeding difficulties, her clinical symptoms were minimal. Trisomy 9 mosaicism is extremely rare and shows considerable variability in its clinical presentation. This case report is important because trisomy 9 was detected by a placental chromosome analysis that was conducted to investigate the cause of fetal growth restriction. Additionally, a newborn with mild clinical findings was unexpectedly diagnosed with trisomy 9 mosaicism.
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