“…Complications resulting from the extraction of a lower ureteric stone with the Dormia basket include avulsion of the ureter (Hodge, 1973) and ureteric perforation (Mahon and Waters, 1973). Often, following this procedure, there is iliac fossa pain, tenderness and haematuria, and the basket sometimes contains not only the ureteric stone but also small amounts of tissue presumably derived from the ureteric wall.…”