scrofuloderma

Tuberculosis resulting from extension into the skin from underlying atypical mycobacterial infection, most commonly of cervical lymph node s in children with tonsillar infection by bovine tubercle bacillus. [scrofula + G. derma, skin]

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scrof·u·lo·der·ma .skrȯf-yə-lō-'dər-mə, .skräf- n a disease of the skin of tuberculous origin (as an inflammation of the neck from draining tuberculous lymph nodes)

scrof·u·lo·der·mic -mik adj

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n.

tuberculosis of the skin in which the skin breaks down over suppurating tuberculous glands, with the formation of irregular-shaped ulcers with blue-tinged edges. Treatment is with antituberculous drugs, to which scrofuloderma responds better than lupus vulgaris, another type of skin tuberculosis.

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scrof·u·lo·der·ma (skrof″u-lo-durґmə) [scrofula + derma] a type of cutaneous tuberculosis affecting children and young adults, representing either direct extension of tuberculosis into the skin from underlying structures such as cervical lymph nodes, bone, or a lung, or contact exposure to tuberculosis. It is manifested by painless subcutaneous swellings that evolve into cold abscesses, ulcers, and draining sinus tracts. Called also tuberculosis colliquativa.

Scrofuloderma; the lesion is an extension from an underlying lymph node.