Which is a causative organism for malignant ot externa
Ans. (b) BacteriaRef: Dhingra's ENT 5th ed. 157-58* Malignant otitis externa is caused by pseudomonas infection in elderly, diabetics & patients on the immune- compromised drugs .* Early manifestation resembles diffuse otitis externa. Patients have severe pain & appearance of granulation in meatus.Infectious Etiology of Ear CanalBacterialFungalViral* Localized otitis externa* Diffuse otitis externa* Malignant otitis externa* Otomycosis* Herpes zoster oticus* Otitis externa hemorrhagica
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Bacteria
Fungi
Protozoa
Ear