Since the publication of papers by Barber1 and Ingram2 in 1930 and Wrong3 in 1933, numerous cases of pustular psoriasis have been encountered and recognized.
Psoriasis vulgaris is uncommon in Negroes. Both Fox4 and Hazen5 observed large series of Negro patients with cutaneous diseases other than syphilis. They found that psoriasis vulgaris was present in less than 1 per cent of their cases. Lane and Crawford6 in a statistical study of 231 cases of psoriasis included only 1 case of a Negro. In both of these recent surveys no mention is made of pustular psoriasis.
In the following case pustular psoriasis of the palms and soles of a Negress is associated with psoriasis vulgaris of the usual sites. It appears that no other similar case has been reported.
REPORT OF A CASE
A Negress aged 44 had had no eruption previous to April 1940,
NIEMAN H. PUSTULAR PSORIASIS IN A NEGRESS. Arch Derm Syphilol. 1941;44(5):907–910. doi:10.1001/archderm.1941.01500050137013
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