Season 7 Case 20
History: MVA, trauma.
Yeah, yeah, femur fracture. Is that it? What is the name for this finding?
Answer:
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Wetread Case 20 Answer
Answer: Arcuate Sign of the Knee
Avulsive fracture of the fibular head due to avulsion of the arcuate (or posterolateral) liagamentous complex. This is almost always associated with injury to the ACL so get the MRI!
reference: https://radiopaedia.org/articles/arcuate-sign-knee?lang=us
