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Lumbar - Oblique
Radiographic Positioning
| Adult | Other related pages of interest |
| Name of projection | Lumbar Spine - Oblique |
| Area Covered | L5 - S1 , zygapophyseal joints (RPO and LPO show downside, RAO and LAO show upside), "scotty dogs" visualised, both right and left obliques are performed |
| Pathology shown | Defects of the pars interaerticularis, spondylolysis |
| Radiographic Anatomy | Lumbar Spine Radiographic Anatomy |
| IR Size & Orientation | 35 x 43cm |
| Film / Screen Combination | Regular (CR and DR as recommended by manufacturer) |
| Bucky / Grid | Moving or Stationary Grid |
| Filter | No |
| Exposure | 75kVp 40 mAs |
| FFD / SID | 100 cm |
| Central Ray | CR perpendicular to IR Centre to lower costal margin (L3) 4cm above iliac crest |
| Collimation | Four sides of collimation collimate to area of interest |
| Markers | RPO and LPO - marker orientation AP RAO and LAO - marker orientation PA RPO and LPO shows downside, RAO and LAO shows upside zygapophyseal joints |
| Shielding | Gonadal (check your department's policy guidelines) |
| Respiration | Suspend respiration on expiration |
| Positioning |
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| Critique | Positioning |
| Special Notes |
AndyC |
Latest page update: made by AndyC
, Jun 19 2011, 4:44 PM EDT
(about this update
About This Update
Edited by AndyC
4 words added 4 words deleted view changes - complete history) |
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Keyword tags:
lumbar oblique
lumbar oblique positioning
lumbar oblique technique
scotty
scotty dog
scotty dogs
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