Fibular head avulsion fracture - old

Case contributed by Dr Mohammad Taghi Niknejad

Presentation

Old trauma with local pain at lateral aspect of the right knee.

Patient Data

Age: 40 years
Gender: Female

There is small corticated bony fragmant of the styloid process of the proximal fibula, with a defect in the fibular head.

Case Discussion

Features on X ray are consistent with arcuate sign that is often a subtle but important finding on knee x-rays and represents an avulsion fracture of the proximal fibula at the site of insertion of the arcuate ligament complex, and is usually associated with cruciate ligament injury (~90% of cases).

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Case information

rID: 61179
Published: 6th Jul 2018
Last edited: 7th Jul 2018
Tag: trauma
Inclusion in quiz mode: Included
Institution: Tabesh medical imaging center

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