RT Book, Section A1 Bissonnette, Bruno A1 Luginbuehl, Igor A1 Engelhardt, Thomas SR Print(0) ID 1164085318 T1 Sirenomelia 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=1164085318 RD 2024/10/07 AB Congenital disorder characterized by a single median lower extremity with the knees facing backward and the heel forward. Commonly observed renal and bladder agenesis, undifferentiated external genitals as well as vertebral column anomalies (sacral and coccyx agenesis, abnormal closeness of iliac bones).