Stallenberg B, Gevenois P A, Sintzoff S A, Matos C, Andrianne Y, Struyven J
Department of Radiology, Universite Libre de Bruxelles, Hôpital Erasme, Belgium.
Radiology. 1993 Jun;187(3):821-5. doi: 10.1148/radiology.187.3.8497638.
Plain radiographs obtained in 25 patients with acute anterior cruciate ligament (ACL) tears detected with magnetic resonance imaging were retrospectively evaluated to identify associated bone lesions. Fracture of the posterior part of the lateral tibial plateau (LTP) was seen in 11 patients, impacted fracture of the lateral femoral condyle (LFC) in two, lateral tibial rim fracture (Segond fracture) in three, and avulsion fracture of the tibial attachment of the ACL in two. The latter three fractures have been associated with an ACL tear. Conversely, fractures of the posterior part of the LTP have not been associated with ACL tear and are recognizable on plain radiographs. Impaction of the LFC on the LTP and avulsion of the posterior tibial capsular junction may account for the association of the fracture of the LTP with the acute ACL tear. This type of fracture represents the most frequent indirect sign of ACL tear seen on plain radiographs.
对25例经磁共振成像检测为急性前交叉韧带（ACL）撕裂的患者所拍摄的X线平片进行回顾性评估，以确定相关的骨损伤。11例患者可见外侧胫骨平台（LTP）后部骨折，2例可见外侧股骨髁（LFC）嵌插骨折，3例可见外侧胫骨嵴骨折（Segond骨折），2例可见ACL胫骨附着处撕脱骨折。后三种骨折与ACL撕裂有关。相反，LTP后部骨折与ACL撕裂无关，且在X线平片上可识别。LFC对LTP的嵌插以及胫骨后关节囊交界处的撕脱可能是LTP骨折与急性ACL撕裂相关的原因。这种类型的骨折是X线平片上可见的ACL撕裂最常见的间接征象。
