Keywords: AHNMD, associated clonal hematologic non–mast cell lineage disease; CM, cutaneous mastocytosis; CMML, chronic myelomonocytic leukemia; D816V; MPCM, maculopapular cutaneous mastocytosis; SM, systemic mastocytosis; acute myeloid leukaemia; c-KIT; chronic myelomonocytic leukemia; intertriginous; maculopapular mastocytosis; mastocytoma.