A 6-Year-Old Boy Is Brought to the Emergency Department Due

A 6-year-old boy is brought to the emergency department due to an injury to his left arm.  About an hour ago, he was jumping on the bed when he bounced off and landed on his outstretched left hand.  He cried and has not wanted to use the arm since then.  The patient has no chronic medical conditions.  Examination shows mild edema of the left distal forearm with intact sensation and pulses distally.  Palpation of the forearm produces sharp pain.  The patient refuses to move the wrist.  Radiograph is shown in the image below: The forearm is immobilized.  This patient is at greatest risk for developing which of the following long-term complications?

A) Avascular necrosis
B) Chronic osteomyelitis
C) Limb length discrepancy
D) Limited range of supination and pronation
E) No long-term complications

Correct Answer:

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