Difference between revisions of "Sinuses - OM Waters Open Mouth"
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Latest revision as of 17:40, 11 November 2020
Radiographic Positioning
Adult | Other related pages of interest |
Name of projection | Sinuses - Occipito Mental (Waters) Open Mouth |
Area Covered | Maxillary sinuses with inferior aspect visualised free from superimposing alveolar processes and petrous ridges, the inferior orbital rim, an oblique view of the frontal sinuses and the sphenoid sinuses visualised through the open mouth |
Pathology shown | Inflammatory conditions ie: sinusitis, secondary osteomyelitis and sinus polyps |
Radiographic Anatomy | Sinuses 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 | 75 kVp 20 mAs |
FFD / SID | 100cm |
Central Ray | CR perpendicular to IR CR exits at acanthion |
Collimation | Collimate closely to area of sinus cavaties |
Markers | Inferior and Lateral Marker orientation PA |
Shielding | Gonadal (check your department's policy guidelines) |
Respiration | Suspended |
Positioning |
|
Critique | Positioning |
Special Notes |