TMPRSS11D and mastocytosis: In our recent study, we evaluated TPSAB1 copy numbers and thus the HαT status in a larger cohort of mastocytosis patients (180 patients: 16 CM, 118 ISM, 10 SSM, 9 ASM, 3 MCL, 19 SM-AHN and 5 MIS—mastocytosis in the skin) [186].