Demographics and Clinical Presentations of 844 Patients with Light and Dark Skin Types with Polymorphous Light Eruption and Chronic Actinic Dermatitis Evaluated over 23 Years.

A substantial proportion of PMLE and CAD cases present in dark-skinned individuals. PP-PMLE can be mistaken for lichen nitidus. As such, recognition of this entity is important for adequate evaluation and management of patients with PMLE.