Jahrsdoerfer Grading Scale

• The Jahrsdoerfer grading scale is a clinical scale based on radiographic features used to determine whether a patient is a good candidate for congenital aural atresia repair.¹
• All features are worth 1 point, except for the presence of the stapes, which is the most clinically important, and is worth 2 points.
• Parameters (9)
  1. Stapes present
  2. Oval window
  3. Round window
  4. Malleoincudal joint
  5. Incudostapedial joint
  6. Middle ear space
  7. Course of facial nerve
  8. Mastoid air cells
  9. Appearance of external ear
• Generally you need a score of ≥ 7 to consider surgery.
• The maximum possible score is 10.

Jahrsoerfer Grading Scale