RT Book, Section A1 Bissonnette, Bruno A1 Luginbuehl, Igor A1 Engelhardt, Thomas SR Print(0) ID 1164076251 T1 Landau-Kleffner Syndrome (LKS) 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=1164076251 RD 2024/04/19 AB It is a rare medical condition with an onset during childhood characterized by aphasic epilepsy of unknown origin resulting in severe language dysfunction (eg, loss of previously acquired speech and language skills [aphasia] and auditory agnosia). The symptoms typically begin between the ages of 3 and 7 years although the condition may rarely occur in children as young as 18 months of age. Approximately 70% of patients present simple or complex partial seizures as a form of atypical absence. The syndrome can be difficult to diagnose and is often misdiagnosed as autism.