In 1924, Pernet1 described two cases of a condition which he called "symmetrical lividities of the soles of the feet." His first patient was a girl, aged 14, who had had scleroderma for eighteen months, for which thyroid extract had been administered, and who, during the following spring had chilblains about the tips of her fingers. The author noted that "her circulation was not good." The following autumn (Nov. 12, 1915) she presented:
. . . acute symmetrical trouble about the soles in the shape of bluish-red patches, which had become paler in their central parts. The patches were slightly raised and had an edematous, blebby look, but contained no fluid. The borders of these patches were well defined.
The heels and the adjacent parts of the soles were involved. Pernet continues:
Hyperidrosis of the rest of the soles was present. I came to the conclusion that the plantar condition was not
PARKHURST HJ. SYMMETRICAL LIVIDITIES OF THE SOLES. Arch Derm Syphilol. 1933;27(4):663–665. doi:10.1001/archderm.1933.01450040670012
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