Riehl melanosis
Mae Riehl melanosis yn fath o ddermatitis cyswllt, gan ddechrau gyda pruritus, erythema, a phigmentiad sy'n lledaenu'n raddol, sydd ar ôl cyrraedd rhywfaint yn dod yn llonydd. Gall amlygiad i'r haul ar ôl defnyddio rhai persawr neu hufen fod yn achosi'r clefyd.
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ReferencesMae Riehl melanosis yn cael ei adnabod yn aml fel dermatitis cyswllt pigmentog. Mae’n fath o gyflwr croen a achosir gan alergeddau, fel arfer yn cael ei sbarduno gan arogl a sylweddau eraill a geir mewn cynhyrchion cosmetig. Er gwaethaf ei ddosbarthiad fel math o ddermatitis, mae Riehl melanosis yn dangos newidiadau pigmentiad yn y croen, gyda dim ond arwyddion mân o lid. Mae’n fwy cyffredin mewn pobl â thonau croen tywyllach. Mae ymchwil ddiweddar wedi archwilio effeithiolrwydd triniaeth laser mid‑fluence QSNY 1064 nm ar gyfer mynd i’r afael â’r pigmentiad dwfn sy’n gysylltiedig â Riehl melanosis. Cyfrannodd astudiaeth arall wahanol therapïau, gan gynnwys laser low‑fluence 1064 nm Q‑switched Nd:YAG, hufen hydroquinone, ac asid tranexamic llafar, gan arwain at welliant sylweddol i’r rhan fwyaf o gleifion.
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.
Mae Riehl's melanosis yn fath o gyflwr croen a achosir gan gysylltiad ag alergenau penodol ac amlygiad i olau'r haul. Mae'n arwain at bigmentiad llwyd‑frown cyflym a blaengar ar y croen, a all effeithio'n fawr ar gleifion yn feddyliol ac yn gorfforol. Er nad yw'r achos union o Riehl's melanosis yn hysbys o hyd, mae ymchwil sydd eisoes ar gael yn dangos cysylltiad cryf â datguddiad i alergenau. Ar gyfer y driniaeth, cynigir feddyginiaeth draddodiadol a therapi laser, yn aml yn cael eu defnyddio gyda chyfryngau cannu a roddir ar y croen. Mae therapi laser, yn enwedig gan ddefnyddio laser Q‑switched Nd:YAG, wedi dangos canlyniadau addawol ar gyfer trin Riehl's melanosis. Mae cyfuno gwahanol ddulliau triniaeth wedi arwain at ganlyniadau cadarnhaol.
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.
