Lichenoid tuberculid A18.4

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 24.08.2025

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Synonym(s)

lichen scrophulosorum; Tuberculosis cutis lichenoides; Tuberkulid lichenoides

History
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Hebra 1860

Definition
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Rare disease with appearance of follicular, lichenoid papules in hyperergic immune state. Expired organ tuberculosis is occasionally reported. Failure of the tuberculin response is uncharacteristic.

Occurrence/Epidemiology
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Variable prevalence of 0.1% of cutaneous tuberculosis in Japan v.s 33% in India (Gramminger C et al. 2025).

Etiopathogenesis
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Tuberculoid. Unclear pathogenesis. Systemic tuberculosis can be detected in 72% of patients. The occurrence after vaccination has also been reported (Gramminger C et al. 2025).

Manifestation
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Occurs mainly in children and young people.

Localization
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Especially the side parts of the torso.

Clinic
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Symmetrically arranged, disseminated or grouped, always follicular or perifollicular, pointed conical, yellow-brown, reddish or skin-colored, lichenoid, mostly scaly papules, sometimes solitary, sometimes confluent. The follicular papules heal without scarring!

Histology
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Perifollicular or follicular tuberculoid structures: Langhans giant cells, small foci of necrosis. No mycobacteria detectable or growable.

Diagnosis
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Positive tuberculin reaction. Culture from lesional tissue is negative.

Differential diagnosis
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External therapy
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If necessary, lotio alba or glucocorticoid-externa like 0.25% prednicarbate cream(e.g. Dermatop cream) Usually regression after a few weeks. Recurrences possible.

Internal therapy
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Treatment of the underlying disease with systemic chemotherapy, see under tuberculosis cutis luposa.

Progression/forecast
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The disease develops slowly. Usually regression after a few weeks/months. Recurrences are possible.

Literature
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  1. Gramminger C et al. (2025) Recognizing cutaneous tuberculosis. J Dtsch Dermatol Ges 23:793-802.
  2. Joshi HS et al (2014) Lichen scrofulosorum. BMJ Case Rep:bcr2013200858. doi: 10.1136/bcr-2013-200858.

  3. Orfanos C (1970) Tuberculosis of the skin.in: HA Gottron et al. (Eds.) Dermatology and Venereology. Georg Thieme Verlag, Stuttgart, pp.316-318
  4. von Hebra F, Kaposi M (1860) Lichen scrofulosorum. In: Textbook of skin diseases. Volume 1, Enke, Erlangen, p. 198
  5. von Hebra F (1868) Lichen scrofulosorum. In: Fagge CH, Pyesmoth PH (eds.) Diseases of the skin. Volume 2, New Sydenham Society London, p. 58

Disclaimer

Please ask your physician for a reliable diagnosis. This website is only meant as a reference.

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Last updated on: 24.08.2025