RT Book, Section A1 Bissonnette, Bruno A1 Luginbuehl, Igor A1 Marciniak, Bruno A1 Dalens, Bernard J. SR Print(0) ID 58089980 T1 Wohlfart-Kugelberg-Welander Syndrome T2 Syndromes: Rapid Recognition and Perioperative Implications YR 2006 FD 2006 PB The McGraw-Hill Companies PP New York, NY SN 9780071354554 LK accessanesthesiology.mhmedical.com/content.aspx?aid=58089980 RD 2024/04/24 AB Juvenile spinal muscular atrophy, characterized by slowly progressive muscular weakness as a result of degeneration of anterior horn cells (spinal motor neurons). Onset is between the ages of 2 and 17 years. Early symptoms consist of atrophy and weakness of the proximal muscle of the extremities (mainly legs), followed by thoracic muscles. Should not be confused with muscular dystrophy syndromes.