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Image Number 2574 (Erythema dyschromicum perstans)


Diagnosis: Erythema dyschromicum perstans

Site: Face

Sex: M

Age: 44



Submitted by: Jorge Lopez-Granja

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Differential Diagnosis


44-year-old male consulting for a " black spot" on face that appeared suddenly around 4 months ago. He was treated with steroids and anti-fungal with no improvement. He states dermatosis is asymptomatic

On physical examination:  1cm x 8mm hyperpigmented (violaceous) slightly atrophic plaque on R cheek (anterior to zygoma), with slight scaling. Some 1-2 mm  violaceous papules in linear disposition nearby the plaque.

Initially thought of Chronic discoid Lupus vs lichen pigmentosus. Biopsy report concluded: " Lichen Pigmentosus (Erythema Dyschromicum perstans)".


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