Wrist - Lateral (Flexion)This is a featured page

Radiographic Positioning


Adult
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Name of projection Wrist - Lateral (Flexion)
Area Covered Distal radius and ulna, carpals, mid metacarpal area
Pathology shown Normally performed as part of a functional series of the wrist for carpal ligament instabilities, often performed in conjunction with wrist in neutral + extension position, see functional views of the wrist
Radiographic Anatomy Wrist Radiographic Anatomy
IR Size & Orientation 24 x 30cm
Landscape, divided in thirds usually fits 3 projections, use lead masking for unused area
Film / Screen Combination Detail
(CR and DR as recommended by manufacturer)
Bucky / Grid No
Filter No
Exposure 53 kVp
4 mAs
FFD / SID 100cm
Central Ray Directed to the mid-carpal area
Perpendicular to the IR
Collimation Centre: Mid-carpal area
Shutter A: Half the metacarpals to one quarter of distal radius and ulna
Shutter B: Skin margin
Markers Distal and Lateral
Marker orientation AP
Shielding Gonadal (check your department's policy guidelines)
Respiration Not applicable
Positioning
  • Patient seated at end of table
  • Elbow flexed 90°
  • Abduct humerus so it is parallel with IR
  • Hand and wrist on IR
  • Hand and wrist in lateral position, thumb up
  • Wrist flexed
Critique

 Positioning
Area Covered
  • Distal radius and ulna, carpals, mid metacarpal area
Collimation
  • Centre: Mid-carpal area
  • Shutter A: Half the metacarpals to one quarter of distal radius and ulna
  • Shutter B: Skin margin

Exposure
  • Bony trabecular patterns and cortical outlines are sharply defined
  • Soft tissues are visualised
  • Sufficient contrast and density to demonstrate posterior fat stripe
Special Notes



AndyC
AndyC 		Latest page update: made by AndyC , Jun 17 2011, 3:11 PM EDT (about this update About This Update AndyC Edited by AndyC


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