Pediatrics A 2-year-old child with severe dehydration has sudden-onset Gross Hematuria with a unilateral flank mass. The most likely diagnosis is A Renal vein thrombosis B Hemolytic syndrome C Wilm's tumor D Hydronephrosis 💡 Explanation A 2-year-old child with severe dehydration has sudden-onset Gross Hematuria with a unilateral flank mass. The most likely diagnosis is ✓ Correct Answer: A. Renal vein thrombosis