Mononeuritis of Upper Limb and Mononeuritis Multiplex is related to acquired tear duct stenosis and stenosis of lacrimal passage. An important gene associated with Mononeuritis of Upper Limb and Mononeuritis Multiplex is PRTN3 (Proteinase 3), and among its related pathways/superpathways are Innate Immune System and Cytokine Signaling in Immune system. Related phenotype is Increased shRNA abundance (Z-score > 2).