Austin’s classification for ossicular chain defects depends on
Correct Answer: Malleus handle and stapes suprastructure
Description: Austin in 1971 Classified ossicular defects based on malleus handle and stapes suprastructure into- Group A- having malleus and stapes intact and erosion of long process of incus being the most common defect. Group B - with only malleus and absent stapes. Group C - with only stapes and absent malleus. Group D - with absent malleus and stapes suprastructure. Ref- Glasscock-Shambaugh surgery of the ear, 5tg edition, PG 463-485.
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