Large Palpable Mass Arising in Pediatrics — 3yo Child | Pediatric Heme/Onc | SMLE Q#11172
SMLE Question #11172
Pediatrics
Pediatric Heme/Onc
Objective: OBJ-153
Last updated: February 2026
A 3-year-old boy has 3 weeks of poor appetite, progressive abdominal distension, pallor, and fatigue. Examination shows a distended, firm, non-tender abdomen with a large palpable mass arising from the right flank that does not cross the midline. Abdominal MRI shows a well-circumscribed solid mass arising from the right kidney with areas of necrosis and compression of adjacent structures, without spinal canal extension. What is the most likely diagnosis?
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