Calix diverticulum

Overview
This is an anatomic abnormality of the kidney that is associated with kidney stones. Other anatomic abnormalities associated with kidney stones include the following:


 * Caliectasis
 * Horseshoe kidney
 * Malrotated kidney
 * Megaureter

Obstruction of the pelvo–ureteric junction


 * Pelvic kidney

Tubular ectasia (medullary sponge kidneys)


 * Ureteral stricture
 * Ureterocele
 * Vesicoureteral reflux