RT Book, Section A1 Bissonnette, Bruno A1 Luginbuehl, Igor A1 Engelhardt, Thomas SR Print(0) ID 1164073495 T1 Hypophosphatasia 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=1164073495 RD 2024/04/20 AB Hypophosphatasia (HPP) is a rare genetic disorder characterized by the abnormal development of bones (similar to vitamin D-resistant rickets) and teeth. Other features in this inherited inborn error of metabolism include failure to thrive, movement disorders, and low plasma levels of alkaline phosphatase. HPP is an extremely variable disorder. Six major clinical forms have been identified based primarily upon the age of onset of symptoms and diagnosis.