Riehl melanosis
La Riehl melanosis est une forme de dermatite de contact qui débute par un prurit, un érythème et une pigmentation s'étendant progressivement ; une fois une certaine étendue atteinte, la maladie se stabilise. L'exposition au soleil après l'utilisation de certains parfums ou crèmes peut déclencher la maladie.
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ReferencesRiehl melanosis est souvent appelée dermatite de contact pigmentée. Il s'agit d'un type d'affection cutanée provoquée par des allergies, généralement déclenchées par des parfums et d'autres substances présentes dans les produits cosmétiques. Bien qu'elle soit classée comme une dermatite, Riehl melanosis se caractérise par des changements de pigmentation de la peau, avec seulement des signes mineurs d'irritation. Elle est plus fréquente chez les personnes à la peau plus foncée. Des recherches récentes ont étudié l'efficacité du traitement au laser mid‑fluence QSNY 1064‑nm pour traiter la pigmentation profonde associée à Riehl melanosis. Une autre étude a combiné différentes thérapies, notamment le laser low‑fluence 1064‑nm Q‑switched Nd:YAG, la crème à l'hydroquinone et l'acide tranexamique oral, entraînant une amélioration significative chez la plupart des patients.
Riehl melanosis (RM), commonly called pigmented contact dermatitis, is considered an acquired form of allergic contact dermatitis, typically to fragrance and other ingredients of cosmetic products. Although it is considered as a dermatitis, it presents clinically with hyperpigmentation over the face and shows pigment incontinence with minimal eczematous changes on histology. The condition is more commonly seen in dark-skinned people, causing an important psychosocial impact. A recent study showing the higher effectiveness of mid-fluence QSNY 1064-nm laser in targetting the deep pigmentation of RM has also been conducted. Another study used a combination of therapies to include low-fluence, 1064-nm, Q-switched Nd: YAG laser, hydroquinone cream, and oral tranexamic acid, with the majority of patients experiencing significant improvement.
Riehl melanosis (RM), commonly called pigmented contact dermatitis, is considered an acquired form of allergic contact dermatitis, typically to fragrance and other ingredients of cosmetic products. Although it is considered as a dermatitis, it presents clinically with hyperpigmentation over the face and shows pigment incontinence with minimal eczematous changes on histology. The condition is more commonly seen in dark-skinned people, causing an important psychosocial impact. A recent study showing the higher effectiveness of mid-fluence QSNY 1064-nm laser in targetting the deep pigmentation of RM has also been conducted. Another study used a combination of therapies to include low-fluence, 1064-nm, Q-switched Nd: YAG laser, hydroquinone cream, and oral tranexamic acid, with the majority of patients experiencing significant improvement.
Riehl's melanosis est un type d’affection cutanée provoquée par le contact avec certains allergènes et l’exposition au soleil. Cela entraîne une pigmentation gris‑brun rapide et progressive de la peau, ce qui peut affecter considérablement les patients tant sur le plan mental que physique. Bien que la cause exacte de Riehl's melanosis reste inconnue, les recherches existantes indiquent un lien étroit avec l’exposition aux allergènes. Pour le traitement, des médicaments traditionnels et une thérapie au laser ont été essayés, souvent en association avec des agents blanchissants appliqués sur la peau. La thérapie au laser, notamment le laser Q‑switched Nd:YAG, a montré des résultats prometteurs pour le traitement du Riehl's melanosis. La combinaison de différentes approches thérapeutiques a conduit à des résultats positifs.
Riehl's melanosis (RM) is a contact photodermatitis, with fast progressive gray-brown skin pigmentation as the main manifestation, which can seriously affect the psychology and physiology of patients. Currently, although the etiological factors of Riehl's melanosis is still be unknown, the existing literature proves clearly the cause of it is related to the contacting with suspected allergens. For decades, there has been no standard method for the treatment of RM, but with both conventional drug therapy and laser therapy having been attempted. Topical application of bleaching agents is mainly used as an auxiliary treatment modality. The laser treatment modality remains a hot spot, among which Q-switched Nd:YAG laser is well received for RM. Positive outcomes have been achieved by the combined treatment modalities attempted in recent years also achieve positive outcomes.
Riehl's melanosis (RM) is a contact photodermatitis, with fast progressive gray-brown skin pigmentation as the main manifestation, which can seriously affect the psychology and physiology of patients. Currently, although the etiological factors of Riehl's melanosis is still be unknown, the existing literature proves clearly the cause of it is related to the contacting with suspected allergens. For decades, there has been no standard method for the treatment of RM, but with both conventional drug therapy and laser therapy having been attempted. Topical application of bleaching agents is mainly used as an auxiliary treatment modality. The laser treatment modality remains a hot spot, among which Q-switched Nd:YAG laser is well received for RM. Positive outcomes have been achieved by the combined treatment modalities attempted in recent years also achieve positive outcomes.
