RT Book, Section A1 Bissonnette, Bruno A1 Luginbuehl, Igor A1 Engelhardt, Thomas SR Print(0) ID 1164081352 T1 Penta X Syndrome T2 Syndromes: Rapid Recognition and Perioperative Implications, 2e YR 2019 FD 2019 PB McGraw-Hill Education PP New York, NY SN 9781259861789 LK accesspediatrics.mhmedical.com/content.aspx?aid=1164081352 RD 2024/04/17 AB A rare chromosomal disorder manifested by the presence of five X chromosomes leading to short stature, mental retardation, fifth finger clinodactyly, short neck, microcephaly, cardiac anomalies (ventricular septal defect, atrial septal defect, patent ductus arteriosus), and horseshoe kidneys. Onset is during childhood.