Clinical manifestation

Primary inoculation TB (tuberculous chancre): chronic, shallow, nontender, undermined ulcer; painless regional lymphaden-opathy

TB verrucosa cutis: slow growing verru-cous papule; may show central involution with an atrophic scar; fissures with purulent and keratinous material Miliary TB of the skin: small red macules or papules with purpura, vesicles, and central necrosis in a patient with fulminant tuberculosis

Scrofuloderma: firm, painless, subcutaneous nodules that enlarge and suppurate, forming ulcers and sinus tracts in overlying skin

TB cutis orificialis: affects orificial sites such as tip and lateral margins of the tongue, hard and soft palate, perianal skin, the vulva, the urinary meatus, and the glans penis; lesions present as red papules that evolve into painful, soft, punched-out, shallow ulcers

Lupus vulgaris: solitary, small, sharply marginated, red-brown papules of the head and neck, which slowly evolve by peripheral extension and central atrophy into large plaques

Lichen scrofulosorum: asymptomatic, grouped, closely set, small, perifollicular, lichenoid papules; occur in children and young adults with TB

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