Practice Quiz

Emergency Medicine Test Prep

Category - Head, Facial, Neck, and Spine Trauma

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A 5 year old child was brought to the hospital having history of blunt orbital trauma and his orbit was fractured blunt orbital fractures cause increased pressure to the globe of the eye this pressure cause the weakest area of the orbit to give away resulting in herniation which one of the following is the weakest area of the orbit through which herniation
occurs ?
  1. Orbital floor
  2. Orbital roof
  3. Lateral wall
  4. All of these
Explanation
Answer: D - Blunt trauma to the eye causes increased pressure to the globe of the eye.
The pressure causes the weakest area (orbital floor) to give way, causing herniation of orbital contents (inferior oblique muscle entrapment) . In children herniation most commonly occurs at orbital floor while in adults herniation occurs at orbital floor and medial wall.
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