Synovial osteochondromatosis of the ankle: MR findings

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      The authors present a case of primary synovial osteochondromatosis of the ankle, as demonstrated by magnetic resonance (MR). Ankle involvement by osteochondromatosis is unusual. The characteristic MR findings are: target appearance of some loose bodies with a low intensity peripheral rim and a center isointense to the soft tissues on T1-weighted images, which remain unchanged on T2-weighted images. Conversely, other loose bodies were characterized by homogeneous hyperintensity close to the bone marrow on T1-weighted images, with loss of signal on T2-weighted images. The authors believe that these findings are quite pathognomonic of a long-standing synovial osteochondromatosis.


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        • Milgram J.W.
        Synovial osteochondromatosis. A histological study of thirty cases.
        J Bone Joint Surg. 1977; 59: 792-801
        • Villacin A.B.
        • Brigham L.N.
        • Bullough P.G.
        Primary and secondary synovial chondrometaplasia. Histopathologic and clinicoradiologic differences.
        Hum Pathol. 1979; 10: 439-451
        • Norman A.
        • Steiner G.C.
        Bone erosion in synovial chondromatosis.
        Radiology. 1986; 161: 749-752
        • Nokes S.R.
        • King P.S.
        • Garcia R.
        • Silbiger M.L.
        • Jones J.D.
        • Castellano N.D.
        Temporomandibular joint chondromatosis with intracranial extension: MR and CT contributions.
        AJR. 1987; 148: 1173-1174
        • Burnstein M.I.
        • Fisher D.R.
        • Yandow D.R.
        • Hafez G.R.
        • De Smet A.A.
        Case report 502.
        Skeletal Radiol. 1988; 17: 458-461
        • Tuckman G.
        • Zajac Wirth C.
        Synovial osteochondromatosis of the shoulder: MR findings.
        J Comput Assist Tomogr. 1989; 13: 360-361
        • Sundaram M.
        • McGuire M.H.
        • Fletcher J.
        • Wolverson M.K.
        • Heiberg E.
        • Shields J.B.
        Magnetic resonance imaging of lesions of synovial origin.
        Skeletal Radiol. 1986; 15: 110-116
        • Cohen E.K.
        • Kressel H.Y.
        • Franks T.S.
        • et al.
        Hyaline cartilageorigin of bone and soft tissue neoplasms: MR appearance and histologic correlation.
        Radiology. 1988; 167: 477-481