Facial bone - Anatomy OM view
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Facial bone - Anatomy OM view
- Familiarity with facial bone anatomy is required for accurate interpretation
- Comparing the injured with the non-injured side is often informative
Facial bone - Anatomy OM30 view
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Facial bone - Anatomy OM30 view
- (Same patient as image above)
- Soft tissue swelling is seen on this view (also evident clinically)
- There is no underlying fracture
Facial bones systematic approach - OM30 view
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Facial bones systematic approach - OM30 view
- Following McGrigor-Campbell lines provides a systematic approach when looking for facial bone fractures
McGrigor-Campbell lines
- Upper line - (Red) passes through the zygomatico-frontal sutures (asterisks) and across the upper edge of the orbits
- Middle line - (Orange) follows the zygomatic arch (elephant's trunk), crosses the zygomatic bone, and follows the inferior orbital margins to the opposite side
- Lower line - (Green) passes through the condyle (1) and coronoid process (2) of the mandible and through the lateral and medial walls of the maxillary antra on each side