Helix, Cleft

Definition:
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Figure 1

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Figure 2

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Figure 3

Objective: Defect in the continuity of the helix, which may occur at any point along its length

Comments:

This may take the form of a sharp cleft as in Figure 4a, or a less well-demarcated area as in the outer upper portion of Figure 4b. This should be distinguished from a Question-mark ear. If the defect or notch occurs at the junction of the superior and descending portions of the helix, it should be coded as Darwin notch of the helix.

Synonyms:

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