Thoracic - Oblique
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Radiographic Positioning
Adult | Other related pages of interest |
Name of projection | Thoracic - Oblique |
Area Covered | C7 to L1, zygapophyseal joints of the thoracic spine |
Pathology shown | Pathology involving the zygapophyseal joints of the thoracic spine, (both right and left obliques are taken for comparison) |
Radiographic Anatomy | Thoracic Spine Radiographic Anatomy |
IR Size & Orientation | 35 x 43 cm Portrait |
Film / Screen Combination | Regular (CR and DR as recommended by manufacturer) |
Bucky / Grid | Moving or Stationary Grid |
Filter | No |
Exposure | 66kVp 50mAs |
FFD / SID | 100 cm |
Central Ray | CR perpendicular to IR CR centred to T7 (which corresponds to the level of the inferior border of the scapula) |
Collimation | Four sides of collimation to area of interest |
Markers | Superior and Anterior Marker orientation AP Mark the side that is being demonstrated - anterior oblique demonstrates the zygapophyseal joint closest to IR, posterior oblique demonstrates the joints farther from the IR |
Shielding | Gonadal (check your department's policy guidelines) |
Respiration | Suspended respiration on expiration. |
Positioning |
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Critique | Positioning |
Special Notes |