External auditory canal atresia

Case contributed by Dr Marlon Garcia H

Presentation

Microtia and right hearing loss.

Patient Data

Age: 8
Gender: Male
Modality: CT

The sections shows at the level of right ear a malformed and small pinna findings consistent with microtia. On this side an external auditory canal cannot be identified. Structures of the inner ear are normal.

Case Discussion

External auditory canal atresia is a rare congenital disorder, the diagnosis frequently is made at birth, but in this case the patient is 8 years. This raises the question of why it was not noticed at birth? 

This kind of abnormality is commonly linked with dysplastic ears. In this case the external auditory canal atresia is linked abnormality of the pinna (microtia), but inner ear looks fine.

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Case Information

rID: 39786
Case created: 20th Sep 2015
Last edited: 17th Aug 2016
System: Head & Neck
Inclusion in quiz mode: Included

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