Knee - Rolled LateralThis is a featured page

Radiographic Positioning


Adult
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Name of projection Knee - Lateral - Rolled
Area Covered Distal femur, proximal tibia & fibula, patella, and knee joint.
Pathology shownFractures, lesions, or bony changes secondary to degenerative joint disease.
Radiographic AnatomyKnee Radiographic Anatomy
IR Size & Orientation 18 x 24cm
Portrait
Film / Screen Combination Detail
(CR and DR as recommended by manufacturer)
Bucky / Grid No
FilterNo
Exposure 60 kVp
8 mAs
FFD / SID 100cm
Central Ray CR directed 2.5cm distal to medial epicondyle
CR angled 5° to 7° cephalad
Collimation Collimate on the sides to the skin margins
Include maximum amount of femur and tibia / fibula
Markers Distal and Anterior
Marker orientation AP
Shielding Gonadal (check your department's policy guidelines)
RespirationNot applicable
Positioning
  • Patient in lateral recumbent position on the X-ray table, with affected side down
  • Cushion for head
  • Provide support for the knee of the opposite limb, which is placed behind the knee being examined
  • Adjust rotation of body and leg until it is in a true lateral position
  • Flex knee 20° to 30°
  • Align and centre leg and knee to CR and to midline of IR
  • CR directed 2.5cm distal to medial epicondyle and angled 5° to 7° cephalad
Critique

Positioning
Area Covered
Collimation
Exposure
Special Notes



AndyC
AndyC 		Latest page update: made by AndyC , Jun 18 2011, 2:03 PM EDT (about this update About This Update AndyC Edited by AndyC

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Keyword tags: knee knee positioning knee radiography knee technique
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