Is Dowling-Degos disease the same disease as Kitamura's reticulate acropigmentation?

A patient is described with the clinical and histopathological features of both Dowling-Degos disease and Kitamura's acropigmentatio reticularis. The possible identity of the two genodermatoses is discussed on the basis of the similarity of their clinical and histopathological features and of the presence of the two diseases in the family of the propositus.