Lichen scrofulosorum

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Lichen scrofulosorum
Other namesTuberculosis cutis lichenoides
SpecialtyInfectious disease Edit this on Wikidata

Lichen scrofulosorum is a rare tuberculid that presents as a lichenoid eruption of minute papules in children and adolescents with tuberculosis. The lesions are usually asymptomatic, closely grouped, skin-colored to reddish-brown papules, often perifollicular and are mainly found on the abdomen, chest, back, and proximal parts of the limbs. The eruption is usually associated with a strongly positive tuberculin reaction.[1] Of the three tuberculids, the incidence of lichen scrofulosorum was found to be the lowest (2%) in a large study conducted in Hong Kong. This highlights its rarity and significance as an important marker of undetected tuberculosis.[2]

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  1. ^ In: Burns T, Breatnach S, Cox N, Griffiths C, editors. (2004). Rook's textbook of dermatology. 7th ed. Oxford: Blackwell Science. pp. 28.1–28.39.CS1 maint: multiple names: authors list (link)
  2. ^ Cutaneous tuberculosis in Hongkong: A ten year retrospective study. Int J Dermatol. 1995. pp. 34:26–9.

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