Microtia, Second Degree

Definition:

Subjective: Median longitudinal length of the ear more than 2 SD below the mean in the presence of some, but not all, parts of the normal ear

Comments:

The definitions of microtia below follow a widely used, surgically based, classification of ear anomalies outlined by Weerda [1988]. As microtia indicates at least both decreased length and width, and in more severe forms it includes abnormal shape of structures, all forms are acknowledged to be bundled terms, but are retained here because they are well established.

Replaces:

• Ear, Grade II Dysplasia
• Ear, Cupped Severe, Type III
• Ear, Cockleshell
• Ear, Constricted Helix Type IV
• Ear, Snail
• Ear, Shell
• Ear, Mini

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