Patella - Oblique (Lateral Rotation)This is a featured page

Radiographic Positioning


Adult
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Name of projection Patella - Oblique (Lateral rotation)
Area Covered Patella
Pathology shown Patella fractures
Radiographic Anatomy Knee Radiographic Anatomy
IR Size & Orientation 18 x 24cm
Portrait
Film / Screen Combination Detail
(CR and DR as recommended by manufacturer)
Bucky / Grid No
Filter No
Exposure 60 kVp
8 mAs
FFD / SID 100cm
Central Ray CR directed to mid-patella area
Perpendicular to IR
Collimation Four sides of collimation to include the area of patella
Markers Distal and Lateral
Marker orientation AP
Shielding Gonadal (check your department's policy guidelines)
Respiration Not applicable
Positioning
  • Patient prone on the X-ray table with legs extended
  • Cushion for head
  • Place support under ankle and leg
  • Flex the knee approximately 5° to 10°
  • Centre the lateral portion of patella to IR
  • laterally rotate the knee 45° to 55° from the prone position
  • CR directed to mid-patella area, perpendicular to IR
Critique

 Positioning

Area Covered

Collimation

Exposure

Special Notes



AndyC
AndyC 		Latest page update: made by AndyC , Jun 18 2011, 1:11 PM EDT (about this update About This Update AndyC Edited by AndyC

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