RT Book, Section A1 Bissonnette, Bruno A1 Luginbuehl, Igor A1 Engelhardt, Thomas SR Print(0) ID 1164087243 T1 Urticaria Pigmentosa 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=1164087243 RD 2024/04/20 AB Major variant and most common type of cutaneous mastocytosis. Typically presents in childhood as discreet hyperpigmented cutaneous macules that flare and wheal on superficial stimulation (Darier sign). Degranulation must be avoided during all anesthetic procedures (physiological and psychological stress, drugs).