Tuberculosis cutis (overview) A18.4

Infection of the skin with Mycobacterium tuberculosis (see Table 1).

• Exogenous: As a consequence of a primary or superinfection.
• Endogenous: By lymphogenic or haematogenic spread.

The following forms of tuberculosis (see below tuberculosis) can manifest themselves on the skin and can be distinguished as entities:

• Tuberculosis cutis luposa
• tuberculosis cutis colliquativa
• Tuberculosis cutis miliaris disseminata
• Tuberculosis cutis verrucosa
• Tuberculosis fungosa serpiginosa
• Tuberculosis ulcerosa mucosae et cutis
• subcutaneous and fistulous tuberculosis

The following epidemiological data can be derived from a larger Brazilian collective (n=75 patients) with cutaneous tuberculosis (Mann D et al. 2019):

w>m

mean age: 42 years

Tuberculosis cutis colliquativa 50,7%

Erythema induratum Bazine 18,7%

Tuberculous gums: 13,3%

Tuberculosis cutis luposa 8%

Tuberculosis cutis verrucosa 4%

Tuberculosis mucosae 2,7%

See below the respective clinical picture listed under definition.

Cutaneous tuberculosis

1. Mann D et al (2019) Cutaneous tuberculosis in Rio de Janeiro, Brazil: description of a series of 75 cases. Int J Dermatol doi: 10.1111/ijd.14617.