RT Book, Section A1 Bissonnette, Bruno A1 Luginbuehl, Igor A1 Engelhardt, Thomas SR Print(0) ID 1164077917 T1 MASA 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=1164077917 RD 2024/04/20 AB MASA is an acronym that stands for Mental retardation, Aphasia, Shuffling gait, and Adducted thumbs. Hydrocephalus associated with aqueductal stenosis. It is an extremely rare inherited disorder that is part of several medical conditions known as X-linked mental retardation (XLMR) Syndromes.