cutaneous tuberculosis; includes tuberculous chancre, tuberculosis verrucosa cutis

Etiology

• direct inoculation of Mycobacteria from an exogenous source into a host can result in a tuberculous chancre or tuberculosis verrucosa cutis localized to site of inoculation
• military tuberculosis may spread hematogenously to skin
• lupus vulgaris is a chronic, scarring, deforming process that may result from lymphatic or hematogenous spread or M tuberculosis
• tuberculid

* spread of Mycobacteria from an endogenous source may result in scrofuloderma

Epidemiology

• uncommon

Clinical manifestations

• erythematous, follicle-based papules & hyperpigmented nodule on the trunk (back), arms & legs (case report)
• lupus vulgaris may affect the central portion of the face & progress slowly over a long period of time.

More general terms

• tuberculosis
• skin infection

More specific terms

• tuberculid