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. |