Emerging Infectious Disease ISSN: 1080-6059

Two Cases of Pulmonary Tuberculosis Caused by Mycobacterium tuberculosis subsp. canetti

Jean Miltgen*

, Marc Morillon*, Jean-Louis Koeck†, Anne Varnerot‡, Jean-François Briant*, Gilbert Nguyen*, Denis Verrot*, Daniel Bonnet*, and Véronique Vincent‡

Author affiliations: *Hôpital d’instruction des armées Laveran, Marseille, France; †Hôpital d’instruction des armées Val de Grâce, Paris, France; ‡Institut Pasteur, Paris, France;

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Figure 1

Colony morphology on Löwenstein-Jensen slants, showing M. canetti and M. tuberculosis strains. (A) Colonies of M. tuberculosis are rough, thick, wrinkled, have an irregular margin, and are faintly buff-colored. (B) M. canetti exhibits smooth, white and glossy colonies.

Figure 1. Colony morphology on Löwenstein-Jensen slants, showing M. canetti and M. tuberculosis strains. (A) Colonies of M. tuberculosis are rough, thick, wrinkled, have an irregular margin, and are faintly buff-colored. (B) M. canetti exhibits smooth, white and glossy colonies.

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