RT Book, Section A1 Bissonnette, Bruno A1 Luginbuehl, Igor A1 Engelhardt, Thomas SR Print(0) ID 1164067970 T1 Diencephalic Syndrome T2 Syndromes: Rapid Recognition and Perioperative Implications, 2e YR 2019 FD 2019 PB McGraw-Hill Education PP New York, NY SN 9781259861789 LK accessanesthesiology.mhmedical.com/content.aspx?aid=1164067970 RD 2024/03/28 AB It is a very rare and potentially lethal neurologic disorder characterized by failure to thrive, severe emaciation, amnesia, intense sleepiness, unusual eye position, and sometimes blindness. It is normally seen in infancy or early childhood but some cases in older children and adults have been reported. Diencephalic Syndrome usually is caused by a brain tumor such as a low-grade glioma or astrocytoma. Onset age of presentation usually is the young infant or child between the ages of 18 months and 3 years. However, it also can develop during adolescence and even adulthood.