What are the classifications of facial muscle weakness in Ramsay Hunt syndrome?

Updated: Jul 16, 2018
  • Author: Sombat Muengtaweepongsa, MD, MSc; Chief Editor: Niranjan N Singh, MBBS, MD, DM, FAHS, FAANEM  more...
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Answer

The House-Brackmann facial neuropathy scale is as follows:

  • 1- Normal

  • 2 - Mild dysfunction (slight weakness only noticeable on close inspection)

  • 3 - Moderate dysfunction (obvious weakness, but not disfiguring differences between both sides)

  • 4 - Moderately severe dysfunction (obvious weakness and disfigurement)

  • 5 - Only barely perceptive motor function

  • 6 - Complete paralysis

 

The Yanagihara facial nerve grading scale is as follows:

  • At rest 0 - 2 - 4
  • Wrinkle forehead 0 - 2 - 4
  • Close eyes normally 0 - 2 - 4
  • Close eyes forcefully 0 - 2 - 4
  • Close eye on involved side 0 - 2 - 4
  • Wrinkle nose 0 - 2 - 4
  • Blow out cheek 0 - 2 - 4
  • Wristle 0 - 2 - 4
  • Grin 0 - 2 - 4
  • Depress lower lip 0 - 2 - 4

Each function is scored 0 (complete palsy), 2 (partial palsy), or 4 (nearly normal).


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