Dürr H R, Lienemann A, Stäbler A, Küehne J, Refior H J
Orthopädische Klinik und Poliklinik, Ludwig-Maximilians-Universität, Klinikum Grosshadern, Marchioninistrasse 15, D-81 366 Munich, Germany.
Eur Radiol. 1997;7(8):1218-20. doi: 10.1007/s003300050278.
Posttraumatic bone-cyst formation is a known but rare process. Typical location is the distal radius, usually as a result of a greenstick fracture. The pathogenesis is unknown; however, subperiosteal migration of fat or hemorrhage with later absorption may cause cyst formation. We present the first reported case of MR imaging of this lesion. At MRI subperiosteal hemorrhage was found to be the cause of cyst formation.
创伤后骨囊肿形成是一个已知但罕见的过程。典型部位是桡骨远端，通常由青枝骨折导致。其发病机制尚不清楚；然而，脂肪或出血的骨膜下迁移及随后的吸收可能会导致囊肿形成。我们报告了首例该病变的磁共振成像（MR）病例。在磁共振成像中，发现骨膜下出血是囊肿形成的原因。
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