an1might be tempting to say testicular torsion, seen that he's a young male in severe pain. but remember that torsion has high riding horizontal tester and an absent cremasteric reflex. When in doubt, flank pain radiating to groin with NV is always a kidney stone (sketchy)+
common locations for ureteral constriction:
1. ureteropelvic junction
2. crossing point over the common iliac artery
3. vesicoureteral junction at the entrance to the bladder
submitted by โfeochromocytoma(36)
The patient is having flank pain that radiates to the groin, which is typical for a renal stone (calculus).
Also, some patients might present with nausea and vomiting, and others might have hypoactive bowel sounds due to an associated ileus (UWorld QID 816).