The International Society of Urological Pathology (ISUP) is a global professional organization dedicated to the field of uropathology. Its mission is to establish guidelines for the practice of urological pathology and to provide educational programs and resources for pathologists worldwide. ISUP is a companion society of The United States and Canadian Academy of Pathology (USCAP), and its official journal is The American Journal of Surgical Pathology (AJSP).