There are 5 types of congenital ear deformities (Tanzer’s Classification).
- Type 1 Anotia (Complete Absence)
- Type II Microtia (Severe Hypoplasia)
A Without ear canal
B With ear canal - Type III Hypoplasia of Middle Third
- Type IV Hypoplasia of Upper Third
A Constricted (Cup/ Lop) Ear
B Cryptotia (Hidden Ear)
C Hypoplasia of entire upper 1/3 - Type V Prominent Ears
