Reduced Movement in Pediatrics — Case | Pediatric Heme/Onc | SMLE Q#18295
SMLE Question #18295
Pediatrics
Pediatric Heme/Onc
Objective: OBJ-HEM-COAG-01
Last updated: February 2026
A 2-day-old full-term male neonate has spontaneous soft-tissue bleeding and a swollen, painful right knee with reduced movement. Pregnancy and delivery were uncomplicated, and he received intramuscular vitamin K at birth. There is no known family history of bleeding disorders. Coagulation studies, including a 1:1 mixing study with normal plasma, are obtained. Which of the following is the most likely diagnosis?
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