Table 2

Clinical aspects of cutaneous tuberculosis

Primary inoculation tuberculosis• Occurs in non-sensitised children
• After minor traumatism
• Red-brown papules, faces and extremities
Tuberculosis verrucosa cutis• Occurs after direct inoculation of a previously sensitised host
• Lilaceous or brownish-red warty growth
• Knees, elbows, hands, feet, and buttocks
Lupus vulgaris• Chronic and progressive
• Clinical findings are variable
• Lesions persist for years.
Scrofuloderma• Firm, painless nodules and may ulcerate
• Extension from underlying bone, joints, or lymph nodes.
Miliary tuberculosis• Immunocompromised patients
• Small red papules, ulcers, and abscesses
• Poor prognosis
Tuberculosis cutis orificialis• Rare, oral nasal or anogenital
• Red-yellow nodules that ulcerate
Tuberculosis gummas• Immunocompromised adults
• Nodules which ulcerate
Tuberculid• Generalised exanthema in patients with good immunity to tuberculosis
• Erythema induratum of Bazin: recurring nodules or lumps on the back of the legs
• Papulonecrotic tuberculid crops of recurrent crusted skin papules on knees, elbows, buttocks
• Lichen scrofulosorum: eruption of small follicular papules in young adults with underlying tuberculosis.