Extensor digitorum longus tenosynovits
Pain and swelling over the dorsal ankle and foot. History unremarkable.
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Distension of the EDL tendon sheath by T2-hyperintense effusion.
1 case question available
EDL tenosynovitis has been infrequently described. It seems to be related to the typical shuffling gait in ultramarathon runners. Tight-fitting shoes and impingement by the talar head may also play a role1.