Coccyx - LateralThis is a featured page

Radiographic Positioning


Adult
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Name of projection Coccyx - Lateral
Area Covered Entire coccyx in lateral view
Pathology shown Pathology of the coccyx
Radiographic Anatomy
IR Size & Orientation 18 x 24cm
Portrait
Film / Screen Combination Regular
(CR and DR as recommended by manufacturer)
Bucky / Grid Moving or Stationary Grid
Filter No
Exposure 70 kVp
30 mAs
FFD / SID 100cm
Central Ray CR perpendicular to IR
CR 8-10cm posterior and 5cm distal to ASIS (centering for coccyx)
Collimation Four sides of collimation
Collimate closely to area of interest
Markers Posterior
Marker orientation AP
Shielding Gonadal (check your department's policy guidelines)
Respiration Suspended
Positioning
  • Patient in the lateral recumbent position
  • Cushion for patients head
  • Flex patients knees
  • Align long axis of coccyx to CR and to midline of table/grid
  • Ensure pelvis and torso are in a true lateral position
  • CR perpendicular to IR
  • CR 8-10cm posterior and 5cm distal to ASIS (centering for coccyx)
Critique

Positioning
Area Covered
Collimation
Exposure
Special Notes Often the sacrum and coccyx views are ordered together, a single lateral centred to include both the sacrum and coccyx can be taken - this projection including both decreases dose to the gonads



AndyC
AndyC
Latest page update: made by AndyC , Jun 19 2011, 4:52 PM EDT (about this update About This Update AndyC Edited by AndyC

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