PTCH1 and nevoid basal cell carcinoma syndrome: Previous rates of PTCH1 mutation detection in NBCCS ranged from 40% to 70% in the early 2000s using predominantly direct PTCH1 sequencing and aCGH (Aszterbaum et al., 1998; Boutet et al., 2003; Marsh et al., 2005; Soufir et al., 2006).