نتایج جستجو برای: melasma

تعداد نتایج: 727  

2015
Emerson de Andrade Lima

Melasma is a chronic skin disorder that results in symmetrical, blotchy, brownish facial pigmentation. It is more common in women than in men, it generally starts between 20 and 40 years, and it can lead to considerable embarrassment and distress. The aims of this article is to evaluate the treatment with the microneedling method in 18 female and 4 male with recalcitrant melasma. All patients d...

Journal: :Journal of drugs in dermatology : JDD 2009
Basil M Hantash Felipe Jimenez

Melasma is a cutaneous disorder associated with an overproduction of melanin by the tyrosinase enzyme. A proprietary oligopeptide (Lumixyl) was previously shown to competitively inhibit mushroom and human tyrosinase without the associated toxicity of hydroquinone. The aim of this split-face, randomized, double-blind and placebo-controlled pilot study was to determine the effect of twice-daily t...

2012
Mariana Hammerschmidt Suelen Mayara Lopes de Mattos Heliane Sanae Suzuki Maira Mitsue Mukai

Financial support: None Conflict of interest: None ABS TRACT Introduction: Melasma can be classified as epidermal, dermal, or mixed using clinical measures such as Wood's lamp and dermoscopy. The Melasma Area Severity Index and the Melasma Quality of Life Scale are additional subjective classification methods. Objectives: To compare noninvasive melasma classification methods according to respon...

2017
Serkan Demirkan Özgür Gündüz Cemile Dayangan Sayan

Melasma is an acquired diffuse hypermelanosis characterized by localized, symmetrical, irregular, light-to-dark brown maculae occurring in sun-exposed areas of skin. The aim of this retrospective study was to determine demographics of patients, analysis of etiologic factors, clinical features, efficacy and side effects of available topical treatments due to high incidence of melasma patients. I...

Journal: :BMC Dermatology 2008
Hassan Adalatkhah Homayoun Sadeghi-bazargani Nayereh Amini-sani Somayeh Zeynizadeh

BACKGROUND Very little is known about possible association of nevi and melasma. The study objective was to determine if there is an association between melasma and existence of different kinds of nevi. METHODS In a case-control study, 120 female melasma patients referred to dermatology clinic of Ardabil and 120 patients referred to other specialty clinics who lacked melasma were enrolled afte...

2018
Sook Hyun Kong Ho Seok Suh Yu Sung Choi

Background Melasma is an acquired pigmentary disorder that is often therapeutically challenging. Recent evidence suggests that vascular abnormalities are involved in melasma pathogenesis. Pulsed-dye laser (PDL) is considered as standard therapy for vascular lesions. Objective To assess the efficacy of PDL combined with low-fluence Q-switched Nd:YAG laser (QSNY) in the treatment of melasma. ...

Journal: :Dermatology online journal 2015
Negar Foolad Vivian Y Shi Neha Prakash Faranak Kamangar Raja K Sivamani

BACKGROUND Rosacea and melasma are two common skin conditions in dermatology. Both conditions have a predilection for the centrofacial region where the sebaceous gland density is the highest. However it is not known if sebaceous function has an association with these conditions. AIMS AND OBJECTIVES We aimed to assess the relationship between facial glabellar wrinkle severity and facial sebum ...

2014
Neel Prabha Vikram K Mahajan Karaninder S Mehta Pushpinder S Chauhan Mrinal Gupta

Background. Some of the patients with melasma perhaps have pigmented cosmetic dermatitis. However, cosmetic contact sensitivity in melasma remains poorly studied particularly in the Indian context. Objectives. To study cosmetic contact sensitivity in patients with melasma. Materials and Methods. 67 (F : M = 55 : 12) consecutive patients with melasma between 19 and 49 years of age were patch tes...

Journal: :Collegium antropologicum 2011
Mirna Situm Maja Kolić Zeljana Bolanca Ivana Ljubicić Bernarda Misanović

Melasma is a common, acquired facial skin disorder, mostly involving sun-exposed areas like cheeks, forehead and upper lip. Melasma occurs in both sexes, although almost 90 percent of the affected are women. It is more common in darker skin types (Fitzpatrick skin types IV to VI) especially Hispanics/Latinos, Asians and African-Americans. The onset of the melasma is at puberty or later, with ex...

Journal: :The Journal of dermatological treatment 2011
Kee Suck Suh Jae Young Sung Hyo Jin Roh Young Seung Jeon Yang Che Kim Sang Tae Kim

BACKGROUND Melasma is difficult to treat and often recalcitrant to various treatments such as topical preparations and lasers. OBJECTIVES To evaluate the efficacy and safety of the 1064-nm Q-switched Nd:YAG laser in Asian patients with melasma. METHODS Twenty-three Korean patients (skin types III-V) with melasma were treated with the 1064-nm Q-switched Nd:YAG laser at 1-week intervals for 1...

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