Mycobacterium causing skin ulcer
A. M. Smegmatis
B. M. Scrofulaceum
C. M. Ulcerans
D. M. fortuitum
E. M. Marinum
A. M. Smegmatis
B. M. Scrofulaceum
C. M. Ulcerans
D. M. fortuitum
E. M. Marinum
Ans. (C) M. ulcerans ; (E) M. Marinum:
• M. Ulcerans produces a toxin that produces the
characteristic skin lesion (Buruli ulcer) Among the mycobacterium species, M. ulceràns only produces toxin.
• M. marinum causes tuberculosis in fish and amphibia. Human infection
originates from contaminated swimming pools or fish tanks. The lesion,
heginningas a papule and breaking down to form an indolent ulcer, so it is
known as “swimming pool granuloma”.
M. Scrofulaceum may cause scrofula
(cervical adenitis) in children.
