Abstract:Trisomy 9p is a well-described dysmorphic syndrome. The physical features include hypertelorism, down-slanting palpebral fissures, deep-set eyes, down-turned corners of the mouth, and mild skeletal anomalies including hypoplastic terminal phalanges. We report an infant born with some of the typical features of trisomy 9p syndrome, as well as additional features that include extreme joint hyperlaxity with subluxation of the knees and elbows, arachnodactyly, and total anomalous pulmonary venous return. The karyo… Show more
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