SARCOID of Boeck is a hematogenous infectious disease, possibly of tuberculous origin and occurs with greater frequency in Negroes than in white persons. This disease is not peculiar to Negroes, but in these patients there is a higher incidence of generalized cutaneous involvement, commoner development of sarcoid tumors on the skin, more frequent formation of well circumscribed and diffuse subcutaneous lesions and more extensive disease of the internal viscera. Despite the universal distribution of lesions these patients are usually asymptomatic and in relatively good health at least during the early phases of the disease.
The roughly symmetric multiform eruption consists of depigmented, hyperpigmented, pinkish or reddish papules and nodules, which have a decided tendency to group and coalesce to form plaques of various sizes and shapes. Pinhead-sized lichenoid lesions are often noted during the phase of resolution. Flesh-colored subcutaneous lesions likewise vary as to size and configuration, and the diffuse
IRGANG S. SARCOID OF BOECK IN THE NEGRO. Arch Derm Syphilol. 1947;56(5):659–665. doi:10.1001/archderm.1947.01520110105012
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