Synovial cyst of proximal tibiofibular joint is among the non-trauma reasons of peroneal nerve palsy which is rarely seen.
Cyst formation having T1 hypointense and T2 hyperintense appearance being about 11 mm in diameter was observed near the proximal tibiofibular joint (Figure 1).
In a study conducted by Hersekli et al., (9) it was indicated that synovial cyst presence in proximal tibiofibular joint was defined by Lenander in 1891 for the first time and total 53 cases were reported from that date to 2004.
In the review of Hersekli et al., (9) three cases having the diagnosis of peroneal nerve palsy due to synovial cyst of proximal tibiofibular joint were presented.
It was indicated that complete recovery could be achieved for functions in forth month of the operation in the case of peroneal neuropathy due to synovial cyst of proximal tibiofibular joint presented by Greer-Bayramoglu et al.
Peroneal nevre palsy caused by a recurrent proximal tibiofibular joint ganglion-a case report and review of the literature.
Ganglion cysts occur along a tendon sheath, such as the semimembranosus tendon, or near the proximal tibiofibular joint
. Peri-meniscal cysts are often adjacent to the menisci and seen in the setting of a meniscal tear.