Mast Cell Neoplasm, also known as mastocytoma, is related to extracutaneous mastocytoma and solitary mastocytoma of the skin. An important gene associated with Mast Cell Neoplasm is KIT (KIT Proto-Oncogene, Receptor Tyrosine Kinase), and among its related pathways/superpathways are Innate Immune System and Signal Transduction. The drugs Hydroxychloroquine and Antiparasitic Agents have been mentioned in the context of this disorder. Affiliated tissues include bone marrow and skin, and related phenotypes are Increased shRNA abundance and homeostasis/metabolism