Pigmentatio Reticularis Faciei et Colli

To the Editor.—  Because of a presentation by Kubota and Hori¹ at the Tokyo International Congress in 1982, we² had the opportunity to discuss the case of pigmentatio reticularis faciei et colli with multiple epithelial cysts that they subsequently published in the January Archives.³ We wish to comment on this case further because of its important position in the broad spectrum of Dowling-Degos disease (DDD).The reticulate pigmentation on the face and neck of this patient closely resembles that of DDD. The presence of multiple epithelial cysts is not unusual in DDD: all six of Brown's⁴ patients and case 5 of Wilson-Jones and Grice⁵ had "epidermoid cysts." Also, the microscopic picture of Hori and Kubota's patient is quite similar to DDD or to Kitamura's acropigmentation (KAR) that may be associated with DDD.We propose that this is a case of DDD and that such denomination