Microbiology – MCQ 11 – A person working in an abattoir presented with a papule on hand, which turned into an ulcer.

A person working in an abattoir presented with a papule on hand, which turned into an ulcer. Which will best help in diagnosis?
A. Trichrome Methylene Blue
B. Carbol Fuschin
C. Acid Fast Stain
D. Calcoflour White

Correct answer : A. Trichrome Methylene Blue

The clinical features are suggestive of cutaneous anthrax. Trichrome methylene blue is used to demonstrate McFadyean’s reaction which is characteristic of Bacillus anthracis.

One Comment

Sabin February 2, 2011

Ans.A its a case of cutaneous anthrax.

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