Diagnosis: Lichen planus actinicus
Description: Mask-like hyperpigmentation.
Morphology: Hyperpigmentation
Site: Face
Sex: M
Age: 36
Type: Clinical
Submitted By: Nameer Al-Sudany
Differential DiagnosisHistory:
A middle-aged military man had history of long exposure to sun light presented with diffuse, mask-like brown-blackish hyperpigmentation of the face of two months duration.