Answer :
Final answer:
CVA tenderness and groin tenderness help in distinguishing between renal pathologies related to kidney stones. CVA tenderness is often related to pyelonephritis or renal colic, while groin tenderness is associated with a stone causing pain at the ureterovesical junction.
Explanation:
CVA tenderness and groin tenderness are physical examination findings that can help differentiate two renal pathologies related to the presence of a calculus, or kidney stone. CVA tenderness, or costovertebral angle tenderness, is often associated with pyelonephritis or renal colic due to a kidney stone obstructing the urinary tract. On the other hand, groin tenderness is more typically associated with a kidney stone that has passed down the ureter and is causing pain at the ureterovesical junction, near the groin or lower abdominal area.
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