Cutaneous Tuberculosis
CUTANEOUS TUBERCULOSIS
Classification (Modified from Beyt et al.)
Inoculation tuberculosis (exogenous source)
- Tuberculosis chancre
- Warty tuberculosis (verrucosa cutis)
- Lupus vulgaris (some)
Secondary tuberculosis (endogenous source)
- Contiguous spread: Scrofuloderma
- Auto-inoculation: Orificial tuberculosis
Haematogenous tuberculosis
- Acute miliary tuberculosis
- Lupus vulgaris (some)
- Tuberculous gumma
Eruptive tuberculosis (tuberculides)
- Micropapular
- Lichen scrofulosorum
- Papular
- Papular or papulonecrotic tuberculide
- Nodular
- Erythema induratum (Bazin)
- Nodular tuberculide
- Erythema nodosum
Exam Important
- Tuberculosis verrucosa cutis is a form of Postprimary tuberculosis with good resistance.
- Tuberculosis of skin is called as Lupus Vulgaris.
- Cutaneous (skin) Tuberculosis secondary to underlying tissue eg lymph node is called as Scrofuloderma..
- Cutaneous manifestation of tuberculosis:Lupus vulgaris, Scrofuloderma, Exanthematous lesion.
- Apple jelly nodules on the nasal septum are found in cases of Lupus Vulgaris.
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