Chapter 6 Knee Patella

Knee Joint Distal ___________ Proximal __________ __________

Patella Anterior to _________ Superior to __________ Flat Triangular bone

Patella __________ – Inferior border __________ – Superior border

Knee Joint Ligaments ________ Collateral Ligament (____) – Fibular Collateral Ligament ______ Collateral Ligament (____) – Tibial Collateral Ligament Patellar ___________________ – Patella to Tibial tuberosity

Knee Joint Ligaments __________ Cruciate Ligament (____) – Femur to Posterior Tibia _________ Cruciate Ligament (____) – Femur to Anterior Tibia

Joint Capsule Bursa _________ Filled ____________ Bursa Infrapatellar Bursa

Menisci ______________ “Shock Absorbers” – Medial – Lateral

Knee Imaging Routine AP Lateral Internal Oblique External Oblique Tunnel 65 kV

AP Knee Pt ________ Rotate leg ____________to align epicondyles __________ to table CR ______________to apex of patella Collimate to skin ______________a tube angle**

Lateral Knee Position for ___________projection Flex Knee ___________ Epicondyles should be ___________ to table _________cephalad angle Center mid knee Collimate to knee

Medial (Internal) Oblique Position as AP Rotate leg _____________ CR ____________to apex of patella Shows – ___________ Condyle in profile – Proximal __________ joint

Lateral (External) Oblique Position as AP Rotate leg _________ lateral CR ____________to patella Shows – ___________ Condyle in profile

Tunnel View Many ways to position. Prone – Flex knee _________ – CR ___________ to Tib/Fib to midpopliteal crease Supine – Flex knee ___________ – Raise cassette as close to the knee as possible – CR ______________ to Tib/Fib. ½” distal to patella apex

Patella Imaging Routine PA Lateral Axial (Sunrise) 40” SID 60 kV

PA Patella Pt Prone Rotate leg ____________ Center mid _____________ Collimate to skin

Lateral Patella Position as per _________ Knee Flex knee ____________ CR to midfemoropatellar joint Collimate down to ________

Axial Patella (Sunrise) If Prone ______________ Angle tube _____________cephalad Center at petellofemoral joint Collimate to patella MANY other ways to get it ______________

Axial Patella (Sunrise) If Supine Flex ____________ Have pt hold ____________knee Angle tube cephalad to be ___________to IR Collimate to patella