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Download Soft Tissue Trauma
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Soft Tissue Trauma Achilles Rupture • Disruption of the tendon - edema Normal Achilles Rupture • T2 image • Focal high signal in tendon (white) • Irregular appearance to tendon • Tendon normally low signal (black) Felt pop (“weekend warrior” athlete) Knee injury Normal comparison ACL Tear Normal comparison ACL Tear #2 Normal comparison Knee Trauma Bone Contusions Patellar dislocation/relocation pattern • Bone edema as result of contusion • See high signal from bleeding/ fluid in bone marrow • Kissing lesions during dislocation of patella Knee pain Normal Anterior horn lateral meniscus tear Normal • Anterior horn meniscal tear • High signal with extension to the superior surface Knee Pain Radial tear lateral meniscus Normal Normal High signal medial posterior lateral meniscus = tear Knee pain basketball player Normal Jumper’s knee (patellar tendinosis/partial tearing) • High signal from edema in the tendon and adjacent tissues Normal Muscle Tear • Coronal section of the thigh • High signal on Fat suppressed images • Fluid-Hematoma in adductor muscle group • Compare to right thigh Myositis Ossificans • Amorphous bone formation in soft tissues • Likely related to prior trauma Widened Mediastinum • Deceleration injury • Widened superior mediastinum • Must exclude positional factors (supine patient, AP film) • CT can identify blood • Angiogram to separate aortic injury from other vessel injuries Aortic Tear • Arch aortogram • Arrow indicates area of aortic tear
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