[Follow-up of urothelial tumours. Guidelines of the Comité de Cancérologie de l'Association Française d'Urologie].

The follow-up of urothelial tumours is designed to allow early detection of recurrence or progression, for which treatment is possible. Recent interesting points are: the more frequent and simpler use of the new classification into low grade and high grade, essentially applied to the management and surveillance of tumours involving the mucosa or lamina propria; and the limited place of urinary markers.