A 42-year old Caucasian man with generalized, acquired lentiginosis an
d no other associated diseases is described. A brief discussion about
the significance of the term lentiginoses, the problems of their class
ification and nomenclature is also presented. The presence at the hist
opathologic examination, of some junctional nests of melanocytes provi
des the basis for a discussion of the relationship of the case present
ed, as well as other lentiginoses, with melanocytic naevi.