Exstrophy of urinary bladder

**Definition:** Bladder exstrophy (or classic bladder exstrophy) is a congenital genitourinary malformation belonging to the spectrum of the exstrophy-epispadias complex and is characterised by an evaginated bladder plate, epispadias and an anterior defect of the pelvis, pelvic floor and abdominal wall.

**Inclusions:** - Ectopia vesicae - Extroversion of bladder