Position in Pediatrics — 3yo Child | General Pediatrics | SMLE Q#746
SMLE Question #746
Pediatrics
General Pediatrics
Last updated: February 2026
A 3-year-old boy is brought to the clinic after his mother noticed a firm, painless right flank mass while bathing him. It does not change with position. There is no history of trauma, fever, weight loss, vomiting, or urinary symptoms. Examination shows a non-tender, ballotable right flank mass extending toward the abdomen. He appears well. What is the most appropriate initial imaging investigation?
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