The search for bilateral asymmetry in CBCT images cannot be over stressed. In the three images below a 30 year old male has an incidental finding of a soft tissue opacity 11 x 8 mm in the right external auditory canal.

The adjacent bone does not appear to be eroded or expanded so it could be a benign mass and an ENT referral is needed.

– Dr Douglas K Benn DDS, PhD, Dipl. Dental Radiology (Royal College of Radiologists, England)
Oral and Maxillofacial Radiologist

3610 Leavenworth Court
Omaha, NE 68105-1200 USA
Tel: (402)-953-6264
Fax: (866)-420-4903

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