שאלה משלב א׳ בכירורגיה אורולוגית · מועד 2023, שאלה 10

Correct: A — about 50%. Roughly half of patients who pass a first stone will form another within five to ten years, which is the central fact justifying metabolic evaluation and preventive measures. The recurrence risk is higher in those with a family history, early first stone, infection or non-calcium-oxalate stone types, and it is substantially reduced by high fluid intake, dietary modification and, where indicated, thiazides, citrate or allopurinol.

מקור: ch.14 p.223