What Researchers Did
Researchers retrospectively reviewed 11 patients with nasopharyngeal carcinoma who developed osteoradionecrosis of the external auditory canal.
What They Found
Osteoradionecrosis (ORN) was detected a mean of 8 years after radiation therapy, with symptoms including crust (100%), otorrhea (91%), and otalgia (91%). After treatment, 9 of 11 patients (82%) retained their ORN diagnosis, and all patients achieved symptom resolution with combined therapies.
What This Means for Canadian Patients
Canadian patients with a history of nasopharyngeal carcinoma radiation who experience chronic ear symptoms should be evaluated for osteoradionecrosis of the external auditory canal. Early diagnosis and combined treatment approaches can lead to symptom resolution for this rare but serious complication.
Canadian Relevance
This study has no direct Canadian connection.
Study Limitations
This retrospective review involved a small sample size of 11 patients, limiting the generalizability of its findings.