PMC9489407_01
Radiograph of the right knee showing osteochondroma of the fibular head.
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fig1
X-ray and ultrasound detected an osteophyte protuberance in the fibular head (Figure 1).
T2-weighted magnetic resonance imaging (MRI) showing (a, b) osteochondroma of the fibular head compressed peroneal nerve (white arrow: osteochondroma; white triangle: peroneal nerve) and (c) atrophy of the tibias anterior (white arrow: tibias anterior).
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fig2
Magnetic resonance imaging (MRI) showed compression of the CPN caused by the bone region located at the fibular head and atrophy of the tibias anterior (Figure 2).
Peroneal nerve appearing compressed with adhesion caused by osteochondroma at the fibular head and arching peroneus longus muscle fibres (arrow: peroneal nerve).
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fig3
The patient underwent surgical decompression of the right CPN (Figure 3), which revealed an osteophyte of the fibular head that had compressed and displaced the CPN.