Causative organism for malignant otitis externa is
Correct Answer: Pseudomonas
Description: Malignant/necrotizing otitis externa is a disorder involving inflammation and damage of the bones and cailage at the base of the skull. Malignant otitis externa is caused by the spread of an outer ear infection (otitis externa, also called swimmer's ear). It is an uncommon complication of both acute swimmer's ear and chronic swimmer's ear. Risks for this condition include: Chemotherapy Diabetes Weakened immune system External otitis is often caused by difficult-to-treat bacteria such as pseudomonas. The infection spreads from the floor of the ear canal to the nearby tissues and into the bones at the base of the skull. The infection and inflammation may damage or destroy the bones. The infection may spread more and affect the cranial nerves, brain, or other pas of the body.
Category:
ENT
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