External auditory canal aplasia/hypoplasia

Orpha code: 141074OMIM code: 607842

Definition

A rare, otorhinolaryngological malformation characterized by failure in development of the external ear canal resulting in variable degree of malformations ranging from complete absence to mild stenosis and malformation of the middle ear. It is typically unilateral, it manifests with hearing loss on the affected side, and might be associated with microtia or hypoplastic pinna, an aberrant facial nerve course, and cholesteatoma.

Disease data
Classification

Morphological anomaly

Synonyms
External auditory canal stenosis/atresia
Zwężenie/atrezja zewnętrznego kanału słuchowego
ORPHA code
141074
OMIM code
607842
ICD10 code
Q16.1
ICD11 code
LA22.2

No additional description.

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