Clinical, Dermoscopic, Histopathological, and Immunohistochemical Correlation in Nonmelasma Diffuse Facial Melanosis: A Descriptive Cross-sectional Study from a Tertiary Care Hospital
Background: Diffuse facial melanosis (DFM) is a common pigmentary disorder affecting individuals of all ages. Conditions in this category include pigmented contact dermatitis (PCD), lichen planus pigmentosus (LPP), and ashy dermatosis (AD), which fall under the umbrella term acquired dermal macular hyperpigmentation...