Your browser doesn't support javascript.
loading
Clinical analysis, diagnosis, and treatment of a 48-year-old female Filipino with Riehl melanosis
Journal of the Philippine Dermatological Society ; : 109-117, 2020.
Article in English | WPRIM | ID: wpr-881512
ABSTRACT
@#

INTRODUCTION:

Pigmented contact dermatitis (PCD) is characterized by non-eczematous pigmentation associated with contact sensitizers, usually without any active or preceding pruritus and erythema. PCD was first described by Riehl, who identified patients with brown to gray facial pigmentation concentrated on the face most commonly associated with sensitizing chemical such as cosmetics, fragrances, and textiles. CASE REPORT This is a case of a 48-year-old female Filipino who presents with blue-grey to brown patches on the forehead of 1-year duration with no significant pathologic history. Clinical examination, dermoscopy and histology were consistent with a variant of pigmented contact dermatitis known as Riehl melanosis. Since anamnesis was unremarkable, patch testing was done to identify the contact allergen triggering the symptom. Results obtained a positive reaction to nickel, potassium dichromate, and textile dye.

CONCLUSION:

Treatment includes the elimination of trigger factors, hence the importance of patch testing in the investigation of its cause. Alongside adequate photoprotection, a combination treatment of 1,064 nm Q-switched neodymium-doped yttrium aluminum garnet (NdYAG) laser, 20% tricholoacetic acid (TCA) peel and oral retinoids, were found safe and effective in the management of facial melanosis. Three-dimensional imaging and dermoscopy were utilized to obtain a more standard and objective pre- and post-treatment comparison.
Subject(s)

Search on Google
Index: WPRIM (Western Pacific) Main subject: Skin Abnormalities / Patch Tests / Dermatitis, Contact / Lasers, Solid-State / Melanosis Type of study: Diagnostic study / Prognostic study Language: English Journal: Journal of the Philippine Dermatological Society Year: 2020 Type: Article

Similar

MEDLINE

...
LILACS

LIS

Search on Google
Index: WPRIM (Western Pacific) Main subject: Skin Abnormalities / Patch Tests / Dermatitis, Contact / Lasers, Solid-State / Melanosis Type of study: Diagnostic study / Prognostic study Language: English Journal: Journal of the Philippine Dermatological Society Year: 2020 Type: Article