No Cranial Nerve Deficits in Pediatrics — 1yo Child | Pediatric Heme/Onc | SMLE Q#11674
SMLE Question #11674
Pediatrics
Pediatric Heme/Onc
Objective: OBJ-153
Last updated: February 2026
A 1-year-old boy has 1 week of dragging his left leg. Examination shows mild left lower-limb weakness with no cranial nerve deficits. Abdominal examination reveals a firm, irregular, non-tender left-sided mass. CT of the abdomen and pelvis shows a heterogeneous retroperitoneal paraspinal mass arising from the paravertebral region with extension toward the spinal canal. What is the most likely diagnosis?
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