Ecthyma is related to pyoderma and cellulitis. An important gene associated with Ecthyma is BTK (Bruton Tyrosine Kinase), and among its related pathways/superpathways are Innate Immune System and Antigen activates B Cell Receptor (BCR) leading to generation of second messengers. The drugs Tetracaine and Lidocaine have been mentioned in the context of this disorder. Affiliated tissues include skin and bone marrow, and related phenotypes are Increased shRNA abundance (Z-score > 2) and immune system