title: Tenosynovitis of the peroneal tendons associated with a hypertrophic peroneal tubercle: radiography and MRI findings.
abstract: An enlarged peroneal tubercle can cause a peroneal tendon tear and/or tenosynovitis due to chronic friction. We present the case of a 45-year-old man with tenosynovitis in the peroneus longus and brevis tendons associated with a hypertrophic peroneal tubercle. On admission to our facility, the patient presented with pain while walking and had a fixed mass on the lateral aspect of his right foot. In addition, an osseous prominence corresponding to a hypertrophic peroneal tubercle was seen on the lateral side of the right calcaneus on radiography. MRI confirmed the hypertrophic peroneal tubercle and revealed high-signal intensity within the peroneus longus and brevis tendons along with fluid in their sheaths.
authors.affiliation: Department of Radiology, Gaziosmanpasa University School of Medicine, Tokat, Turkey.
authors.forename: Fatih
authors.initials: F
authors.lastname: Celikyay
authors.forename: Ruken
authors.initials: R
authors.lastname: Yuksekkaya
authors.forename: Ferdag
authors.initials: F
authors.lastname: Almus
authors.forename: Erkal
authors.initials: E
authors.lastname: Bilgic
mesh_terms: D000843:Ankle Joint / Q000000981:diagnostic imaging / Q000473:pathology; D006801:Humans; D006984:Hypertrophy; D008279:Magnetic Resonance Imaging; D008297:Male; D008875:Middle Aged; D011859:Radiography; D013639:Tarsal Bones / Q000000981:diagnostic imaging* / Q000473:pathology*; D013710:Tendons / Q000000981:diagnostic imaging* / Q000473:pathology*; D013717:Tenosynovitis / Q000000981:diagnostic imaging* / Q000473:pathology*
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