Internal Calcifications in Medicine / Internal Medicine — 3yo Child | Oncology | SMLE Q#18164
SMLE Question #18164
Medicine / Internal Medicine
Oncology
Objective: OBJ-191
Last updated: February 2026
A 3-year-old boy is brought to clinic after his parents noticed a painless lump on his left flank while bathing him. He has no fever, weight loss, hematuria, or recent trauma. Examination shows a 7 cm left flank mass that is firm, non-mobile, and poorly defined. An abdominal plain radiograph shows a soft-tissue mass with internal calcifications. What is the next best step to establish the diagnosis?
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