Radiology · single question

On a panoramic radiograph, the hyoid bone is a normal structure that can be mistaken for pathology because it commonly projects:

  1. Over the inferior border/angle region of the mandible
  2. Within the maxillary sinus
  3. Over the orbit
  4. In the nasal cavity
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Correct answer: A. Over the inferior border/angle region of the mandible

The hyoid bone frequently projects over the inferior border and angle region of the mandible on panoramic films. Recognizing it as normal anatomy avoids misdiagnosis as a pathologic radiopacity.Other options: The hyoid lies in the anterior neck; it does not project into the sinus, orbit, or nasal cavity.Key exam takeaway: Know panoramic landmarks; the hyoid overlaps the lower mandible and is normal, not pathology.

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