Purple-brown coalescing macules on the mandibular area of the face

Abstract

This patient presented with a 1-year history of violaceous-brown, coalescing reticulated macules on his face, with no similar lesions in other body areas. Laboratory findings were normal and antinuclear antibody test was negative. Histopathological findings included lichenoid tissue reaction and prominent pigmentary incontinence. Click here for the corresponding questions to this CME article.