MRCP UK EXAMINATIONS

NEUROLOGY

SURGERY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A patient has been diagnosed with a fungal infection causing external otitis. Which is the most common fungal infection in the ear?
A
Staphylococcus aureus
B
Aspergillus
C
Pseudomonas
D
Streptococcus
Explanation: 

Detailed explanation-1: -Otomycosis is subacute or chronic superficial fungal infection of the external auditory canal and auricle. It is the most frequently encountered fungal infection in ear, nose and throat clinics.

Detailed explanation-2: -Otomycosis is a fungal infection in the ear canal. It causes pain and itching. Sometimes fluid leaks from the ear. The infection can also cause a feeling of fullness in the ear and sometimes hearing loss.

Detailed explanation-3: -Aspergillus are fungi that can cause ear disease. In severe infections, these fungi can be present for long periods inside the ear, and commonly belong to the species Aspergillus section Nigri and Aspergillus flavus.

Detailed explanation-4: -Otomycosis (otitis externa) Otomycosis is a relatively common problem in non-immunocompromised patients and is commoner in hot humid climates. The causative fungi include Aspergillus niger and C. albicans. The latter may form a blackish mat in the ear canal but many infections do not have characteristic features.

There is 1 question to complete.