What Researchers Did
Researchers retrospectively analyzed three cases of inadequately treated malignant otitis externa in elderly diabetic individuals that led to recurrent and atypical skull base osteomyelitis.
What They Found
Two of the three patients (67%) died despite aggressive treatment, while one case was successfully managed with antimicrobial drugs and hyperbaric oxygen therapy. Major complications observed included thrombosis of the lateral sinus and internal jugular vein, meningitis, and paralysis of multiple cranial nerves.
What This Means for Canadian Patients
Canadian patients presenting with atypical symptoms like severe otalgia or unremitting headache after partially treated malignant otitis externa should be thoroughly investigated for skull base osteomyelitis. Prompt diagnosis using imaging and aggressive, multidisciplinary treatment are critical to improve outcomes and reduce the high morbidity and mortality associated with this condition.
Canadian Relevance
This study has no direct Canadian connection as it was not conducted in Canada or with Canadian participants.
Study Limitations
The findings are limited by the retrospective design and the very small sample size of only three cases, which restricts generalizability.