Upper-tract urinary stones usually eventually cause pain.
The character of the pain depends on the location. Calculi small enough to venture down the ureter usually have difficulty passing through the ureteropelvic junction, over the iliac vessels, or entering the bladder at the ureterovesical junction (Figure 167).
Renal colic and noncolicky…
Urinary Stone Disease Evaluation
A. DIFFERENTIAL DIAGNOSIS
Urinary stones can mimic other retroperitoneal and peritoneal pathologic states. A full differential diagnosis of the acute abdomen should be made, including acute appendicitis, ectopic and unrecognized pregnancies, ovarian pathologic conditions including twisted ovarian cysts, diverticular disease, bowel obstruction, biliary stones with and without obstruction, peptic ulcer disease, acute…