Sternoclavicular - Oblique

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Radiographic Positioning


Adult
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Name of projection Sternoclavicular - Oblique
Area Covered The manubrium, medial portion of the clavicles and sternoclavicular joint closer to the IR
Pathology shown Separation of sternoclavicular joint or other pathology, best visualising the sternoclavicular joint closer to the IR, the other SC joint will be foreshortened
Radiographic Anatomy Sternoclavicular Radiographic Anatomy
IR Size & Orientation 18 x 24cm
Landscape
Film / Screen Combination Regular
(CR and DR as recommended by manufacturer)
Bucky / Grid Moving or Stationary Grid
Filter No
Exposure 65 kVp
25 mAs
FFD / SID 100cm
Central Ray CR perpendicular to IR
CR centred to level of T2 to T3 (7cm distal to vertebral prominens) and 5cm lateral (toward upside) to midsagittal plane
Collimation Four sides of collimation
Closely collimate to area of interest
Markers Lateral
Marker orientation PA
Mark joint closer to IR ie: RAO best demonstrates the right SC joint
Shielding Gonadal (check your department's policy guidelines)
Respiration suspended on expiration for a more uniform density
Positioning
  • Patient prone on table
  • Patients head on pillow
  • Patient obliqued on the table 15°
  • CR perpendicular to IR
  • CR centred to level of T2 to T3 (7cm distal to vertebral prominens) and 5cm lateral (toward upside) to midsagittal plane
can be performed erect against the vertical bucky
Critique

Positioning
Area Covered
Collimation
Exposure
Special Notes