Pelvis - Acetabulum (Judet method)This is a featured page

Radiographic Positioning


Adult
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Name of projectionPelvis - Acetabulum (Judet method)
Area CoveredUpside: posterior rim of acetabulum,anterior ilioischial column and obturator foramen
Downside: anteior rim of acetabulum, posterior ilioischial column and iliac wing
Pathology shownEvaluate acetabular fractures or hip dislocation
Radiographic Anatomy Pelvis Radiographic Anatomy
IR Size & Orientation24 x 30cm
Portrait
Film / Screen CombinationRegular
(CR and DR as recommended by manufacturer)
Bucky / Grid Moving or Stationary Grid
FilterNo
Exposure75 kVp
20 mAs
FFD / SID100cm
Central RayNormally taken as two views (upside and downside)
Upside
  • CR perpendicular to IR
  • CR 5cm distal to upside ASIS
Downside
  • CR perpendicular to IR
  • CR 5cm distal and 5cm medial to downside ASIS
CollimationFour sides of collimation
Collimate closely to area of interest
MarkersLateral and Superior
Marker orientation AP
ShieldingGonads (check your department's policy guidelines)
RespirationSuspended
PositioningUpside
  • Patient supine on the table with arms across upper chest
  • Cushion for head
  • Place patient in 45° posterior oblique (affected side up)
  • Make sure both pelvis and thorax is 45° from table top (support body with wedge sponge)
  • Align femoral head and acetabulum to midline of table/grid
  • CR perpendicular to IR
  • CR 5cm distal to upside ASIS
Downside
  • Patient supine on the table with arms across upper chest
  • Cushion for head
  • Place patient in 45° posterior oblique (affected side down)
  • Make sure both pelvis and thorax is 45° from table top (support body with wedge sponge)
  • Align femoral head and acetabulum to midline of table/grid
  • CR perpendicular to IR
  • CR 5cm distal and 5cm medial to downside ASIS
Critique

Positioning
Area Covered
Collimation
Exposure
Special Notes



AndyC
AndyC 		Latest page update: made by AndyC , Jun 7 2011, 4:35 AM EDT (about this update About This Update AndyC Edited by AndyC

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Keyword tags: acetabulum judet judet view pelvis
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AmeliaCrook Posterior Oblique Pelvis-Acetabulum 1 Jun 5 2009, 3:35 AM EDT by vitharana
Thread started: Jun 5 2009, 2:28 AM EDT  Watch
Useful for demonstrating acetabular dislocation.
Pt. semisupine with affected side on down on tabletop.
45deg posterior oblique.
Central ray 5cm distal and medial to ASIS
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