Difficulty Running in Pediatrics — 3yo Child | Pediatric Endocrinology | SMLE Q#2823
SMLE Question #2823
Pediatrics
Pediatric Endocrinology
Objective: OBJ-173
Last updated: February 2026
A 3-year-old boy has several months of progressive widening of the wrists and ankles and bowing of the legs with difficulty running. He spends little time outdoors and has a diet low in vitamin D–fortified foods. Examination shows widened wrists, genu varum, and a rachitic rosary. What is the most likely diagnosis?
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