Accessory tragus
Last Updated: 2023-07-07
Author(s): Anzengruber F., Navarini A.
ICD11: LA21.Y
Last Updated: 2023-07-07
Author(s): Anzengruber F., Navarini A.
ICD11: LA21.Y
Meckel, 1826
Congenital developmental anomaly in which the tragus of the ear grows at an incorrect location.
Present at birth, in 1-2 / 1,000 newborns, 10% bilaterally.
Unknown.
Skin-coloured, hard palpable, vellus-hairy, exophytic growing nodule or bump. The location is closely associated with the tragus (in front of it or directly on it). May occur on both sides.
Palpable centre with cartilage. Less commonly, there may be multiple accessory tragi, in which case they are found between the tragus and the corner of the mouth, or anterior to the sternocleidomastoid muscle.
Can be useful as a clue for malformations and syndromes:
Mostly on the face.
If the excision is too shallow, the deeper cartilaginous core may not be taken along.
Missing clarification and missing
None possible.
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