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Acute on Chronic A-vault-ion Injury

Author: Jonathan P. Coss, MD 
Peer-Reviewer/Final Editor: Mark Hopkins, MD, CAQ-SM

An 8-year-old dancer presents for acute left knee pain. She has had atraumatic anterior pain in this same knee over the last 6 months that was worse with activity. Today however she had acute severe pain after vaulting a stunt. She points to the anterior knee and is not wanting to walk.
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Image 1. Lateral x-ray of left knee. Case courtesy of Mark Hopkins, MD, CAQ-SM


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