Knee - PA Axial Oblique (Lateral Rotation) (Kuchendorf Method)

Adult

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Name of projection	Knee PA Axial Oblique
Area Covered
Pathology shown
Radiographic Anatomy
IR Size & Orientation	8 x 10 inch (18 x 24 cm) lengthwise
Film / Screen Combination	(CR and DR as recommended by manufacturer)
Bucky / Grid
Filter
Exposure
FFD / SID
Central Ray	25 - 30 degrees caudad. Directed at the joint space between the patella and femoral condyles. Entering the posterior surface of the patella
Collimation
Markers
Shielding	Gonads. (check your department's policy guidelines)
Respiration
Positioning	Place the patient in prone position Elevate the hip of the affected side 2 or 3 inches Place a sandbag under the ankle and foot, and adjust it so that the knee is slightly flexed (apprx. 10 degrees) to relax the muscles. Center the IR to the patella Laterally rotate the knee 35 to 40 degrees from the prone position Rest the knee on its anteromedial side to hold the patella in a position of lateral displacement
Critique PACEMAN	Positioning Area Covered Majority of the patella free of superimposition by the femur Patella and its outline where it is superimposed by the femur Collimation Exposure
Special Notes

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