RT Book, Section A1 Bissonnette, Bruno A1 Luginbuehl, Igor A1 Engelhardt, Thomas SR Print(0) ID 1164086777 T1 Trisomy 4p 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=1164086777 RD 2024/04/24 AB A rare chromosomal disorder in which all or a portion of the short arm (p) appears three times rather than twice in cells of the body. It is clinically characterized by breathing difficulties, craniofacial anomalies, hands and feet abnormalities, and congenital heart defects. Other clinical features include genital anomalies in affected males, skeletal defects, and severe mental retardation.