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Maxillary Sinus Transillumination – Physical Exam

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Transillumination is the technique of sample illumination by transmission of light through the sample. In medicine transillumination generally refers to the transmission of light through tissues of the body.

Technique:

  1. General
    • Completely darken the room
    • Decreased light transmission suggests Sinusitis
  2. Maxillary Sinus
    • Position patient
      • Patient’s neck in sniffing position
        • Neck slightly extended back
      • Patient keeps mouth open (remove upper dentures)
    • Place transilluminator over the lower orbital rim
      • Apply light source below inner aspect of eye
        • Applied just lateral to nose
      • Direct light source downward toward mouth
    • Observe for glow on Hard Palate of open mouth
      • Normal if dim red glow seen on Hard Palate
      • Compare both sides

 

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