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Radiology · single question

On a lateral cephalometric or panoramic radiograph, the hyoid bone is best identified as:

  1. A radiopaque structure in the cervical soft-tissue region inferior to the mandible, which is a normal anatomic structure unrelated to the jaws (sometimes mistaken for pathology if not recognized)
  2. Part of the mandible itself
  3. A pathologic calcification requiring biopsy
  4. Part of the maxilla
Show answer and explanation

Correct answer: A. A radiopaque structure in the cervical soft-tissue region inferior to the mandible, which is a normal anatomic structure unrelated to the jaws (sometimes mistaken for pathology if not recognized)

The hyoid bone is a free-floating bone in the neck (suspended by muscles and ligaments, with no direct bony articulation) that frequently appears as a radiopaque shadow on cephalometric and sometimes panoramic radiographs — recognizing it as normal anatomy prevents misdiagnosis as a calcification or pathology.

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