Upper Face 2 – Frontal Sinus Drainage

Summary

• Characterization of frontal sinus fractures should include:
  • Localization to the anterior table, posterior table, or both tables
  • Presence of comminution and displacement
  • Findings concerning for sinus outflow obstruction
• Identifying sinus outflow obstruction is difficult, but displacement of bone fragments posteriorly in the region of the frontonasal duct should raise concern