The Copetti Sign in Suspected Renal Colic: Association with Distal Ureteral Stones in a Prospective Pilot Cohort.

In this prospective pilot cohort, the Copetti sign was frequently observed and was strongly associated with distal ureteral stone location.

Copetti-positive patients were also more often managed conservatively, although this should be interpreted as an exploratory association reflecting clinical decision-making rather than a validated prognostic endpoint.