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Published byShavonne Garrett Modified over 9 years ago
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Chapter 6 Knee
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Knee Joint Distal Femur Proximal Tib/Fib Patella
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Base ___________ Apex ___________
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Knee Ligaments Lateral Collateral Ligament (LCL) Medial Collateral Ligament (MCL) Anterior Cruciate Ligament (ACL) Posterior Cruciate Ligament (PCL) Patellar Ligament (Tendon)
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Knee Joint Articular Capsule __________ Diarthrodial Bursa ___________ Prepatellar Infrapatellar
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Menisci Fibrocartilage Disks Between __________ Lateral Medial
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Imaging the Knee AP Lateral Medial (Internal) Oblique Lateral (External) Oblique Tunnel 40” SID 65 kV
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AP Knee Supine Leg extended Rotate _______to align femoral ___________to IR May need a tube angle CR parallel to __________ CR ½” distal to patella apex Collimate to skin
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Lateral Knee Position for mediolateral projection Flex knee _______ Epicondyles _________ to IR _______ cephalad tube angle CR 1” distal to medial epicondyle
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Medial (Internal) Oblique Start in AP Rotate leg _____________ CR ½” distal to patella apex Shows: _________in profile Opening of ________tibiofibular joint
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Lateral (External) Oblique Start in AP Rotate leg _________ CR ½” distal to patella apex Shows: _________in profile
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Tunnel View Many ways Bottom line: Flex the knee ________ CR perpendicular to Tib/Fib ½” distal to patella apex
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Imaging the Patella PA Lateral Axial (Sunrise) 40”SID 60 kV
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PA Patella Prone Leg extended Rotate _________ Align __________to IR CR to mid patella Collimate to skin
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Lateral Patella Position for mediolateral projection Flex knee ______ CR to mid-femoropatellar joint Collimate to patella
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Axial (Sunrise) Many ways Bottom line: Flex knee CR angled through femoropatellar joint space
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