Posted in Web Chronic granulomatous disease – Symptoms and causes – Mayo … January 24, 2021 Overview. Chronic granulomatous (gran-u-LOM-uh-tus) disease (CGD) is an inherited disorder that occurs when a type of white blood cell (phagocyte) that usually helps your body fight infections doesn’t work properly. https://www.mayoclinic.org/diseases-conditions/chronic-granulomatous-disease/symptoms-causes/syc-20355817