Parenchymatous Neurosyphilis is related to neurosyphilis and syphilis, and has symptoms including irritability, difficulty concentrating and deterioration of memory. An important gene associated with Parenchymatous Neurosyphilis is MIR570 (MicroRNA 570), and among its related pathways/superpathways is Chemokine Superfamily: Human/Mouse Ligand-Receptor Interactions. Affiliated tissues include brain.