Ureteral Stone Location At Emergency Room Presentation With Colic

UroToday.com - Contrary to traditional dictum, ureteral stones most commonly obstruct and present emergently at the ureterovesical junction (61%) and the proximal ureter between the UPJ and iliac vessels (23%). The remaining 16% of the ureteral stones causing renal colic are located at the UPJ (11%), between the iliac vessels and the ureterovesical junction (4.