Osteoma of the external auditory canal

Case contributed by Shervin Sharifkashani


Right side decreased hearing acuity and intermittent ear discharge.

Patient Data

Age: 40 years
Gender: Female

An irregular margin benign-appearing small pedunculated osseous mass lesion height up to 7 mm and axial width up to 8 mm in right side external auditory canal originating from the anterior wall of the bony segment with partial obliteration of the canal and fluid and soft tissues accumulated upstream and thickening of right side tympanic membrane are seen.

Case Discussion

The case illustrates the non-contrast MDCT features of the osteoma of the external auditory canal. This type of osteoma is relatively uncommon and can cause decreased hearing acuity.

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.