Cutaneous Tuberculosis

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 Question
 
  • 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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