Acute Onset Linear Lichen Planus Pigmentosus of the Forehead: A Case Series
INTRODUCTION
Linear lichen planus pigmentosus (LPP) of the face is a rare acquired variant of lichen planus, with only a few cases published in the literature.1 It is an inflammatory condition with unknown etiology, characterized by blue-gray hyperpigmented macules, and tends to affect sun-exposed areas of the head and neck.1-4 The pathophysiology of linear LPP is poorly understood, though …
INTRODUCTION
Linear lichen planus pigmentosus (LPP) of the face is a rare acquired variant of lichen planus, with only a few cases published in the literature.1 It is an inflammatory condition with unknown etiology, characterized by blue-gray hyperpigmented macules, and tends to affect sun-exposed areas of the head and neck.1-4 The pathophysiology of linear LPP is poorly understood, though … Continue reading "Acute Onset Linear Lichen Planus Pigmentosus of the Forehead: A Case Series"
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A. Allergic contact dermatitis to a soap or other topical application
B. Irritant contact dermatitis due to excessive rubbing during the cleansing proces … 
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