By Gary M. White, MD

Lichen scrofulosorum is a rare tuberculid. A tuberculid may be defined as a skin change with the following characteristics: 1) associated with internal Tuberculous infection, 2) positive PPD, 3) absence of bacilli in the skin biopsy specimen or culture, and 4) healing of the skin with remission of the tuberculous infection. Other classic tuberculids include erythema induratum of Bazin and papulonecrotic tuberculid.


The patient presents with 0.5-3.0 mm asymptomatic papules usually follicular in location. These papules may be grouped or annular. They may be reddish brown or yellow in hue. Some may have central crust or a pustule.


The tuberculosis infection should be treated, clearing the rash.


A 14-year-old girl presentness with crops of intensely itchy, skin-colored papules, some of which healed with scars, over the trunk and limbs since two and a half months. She had had pulmonary tuberculosis at the age of six years for which she had received complete treatment. Indian J Dermatol Venereol Leprol 2014;80:483

Indian Pediatrics


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