Although the study of the diseases of the skin in Negroes constitutes a most interesting specialty, this particular branch of dermatology has been largely neglected. The skin of persons of the Negro race differs from that of members of the white race not only in structure and physiology but in its reaction to trauma and infection. In the present article it is my intention to deal with only one phase of cutaneous disease in Negroes, namely abnormalities of pigmentation. For a better understanding of the latter, however, it will be necessary to consider briefly the history of the black race in the United States. In addition, certain personal experiences will be reported. These comprise a study of the incidence of mongolian blue spots in infants, together with the identification from pigmentation of white and Negro infants. Also, the collected literature on the abnormalities of pigmentation in Negroes
NIEDELMAN ML. ABNORMALITIES OF PIGMENTATION IN THE NEGRO. Arch Derm Syphilol. 1945;51(1):1–9. doi:10.1001/archderm.1945.01510190006001
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