You searched for: “leukoderma
Word Entries containing the term: “leukoderma
venereal collar, collar of pearls, collar of Venus, leukoderma colli
Syphilitic leukoderma or a congenital skin condition characterized by spots or bands of unpigmented skin around the neck and shoulders.

It is virtually pathognomonic of late syphilis; that is, decisively characteristic of a disease or indicating a disease with certainty.