case_images: PMC9489407_01
case_images: Radiograph of the right knee showing osteochondroma of the fibular head.
case_images: CRIOR2022-5865040.001.jpg
case_images: PMC9489407_01_CRIOR2022-5865040.001.jpg
case_images: fig1
case_images: X-ray and ultrasound detected an osteophyte protuberance in the fibular head (Figure 1).
case_images: 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).
case_images: CRIOR2022-5865040.002.jpg
case_images: PMC9489407_01_CRIOR2022-5865040.002.jpg
case_images: fig2
case_images: 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).
case_images: Peroneal nerve appearing compressed with adhesion caused by osteochondroma at the fibular head and arching peroneus longus muscle fibres (arrow: peroneal nerve).
case_images: CRIOR2022-5865040.003.jpg
case_images: PMC9489407_01_CRIOR2022-5865040.003.jpg
case_images: fig3
case_images: 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.