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Background Botryoid Wilms’ tumor is a rare kind of Wilms’ tumor. We report two cases of this tumor. Methods Case 1, a 2-year-old boy, was admitted with macrohematuria for 5 months. Case 2, a 19-month-old boy, was referred for a palpable abdominal mass. The two cases were checked by 64-row multi-slice spiral CT (MSCT) and scanned with the dynamic contrast enhancement. The masses were excised and...