Cutaneous blastic plasmacytoid dendritic cell neoplasm arising in the context of TET2 and ZRSR2 mutated clonal cytopenias of unknown significance, secondary to somatic copy number losses involving CDK2NA/2NB and MTAP. Issue 2 (4th December 2019) - Li, Marissa; Shah, Mithun; Binder, Moritz; Lasho, Terra; Carr, Ryan; Mangaonkar, Abhishek; Gangat, Naseema; Coltro, Giacomo; Tefferi, Ayalew; Dao, Linda; Peters, Margot; Chiu, April; et al.