نتایج جستجو برای: Melasma prevalence

تعداد نتایج: 279372  

Journal: :International journal of dermatology 2009
Rita Pichardo Quirina Vallejos Steven R Feldman Mark R Schulz Amit Verma Sara A Quandt Thomas A Arcury

BACKGROUND Melasma is a common condition of Latino women that detracts from their quality of life (QOL). The prevalence and impact of melasma in Latino men is not well characterized. AIM To assess the prevalence of melasma and its association with QOL in Latino men from Mexico and Central America working in the USA. METHODS The prevalence of melasma was assessed in three studies of Latino m...

2014
Devasthanam Sundara Rao KrupaShankar Vijay Kumar Somani Malvika Kohli Jaishree Sharad Anil Ganjoo Sanjiv Kandhari Venkat Ram Mysore Sanjeev Aurangabadkar Subrata Malakar Maya Vedamurthy Ganesh Kadhe Salman Motlekar Pashmina Ahirrao

BACKGROUND Melasma is one of the most common pigment disorders seen by a dermatologist and often occurs among women with darker complexion (skin type IV-VI). AIMS The present study aimed to investigate the epidemiology of melasma in the Indian population and to focus on the regional variability in the demographics, clinical manifestations and factors that precipitate this condition. METHODS...

2017
Oluwatobi A. Ogbechie-Godec Nada Elbuluk

Melasma is a common acquired condition of symmetric hyperpigmentation, typically occurring on the face, with higher prevalence in females and darker skin types. Multiple etiologies, including light exposure, hormonal influences, and family history, have been implicated in the pathogenesis of this disorder. Overall prevalence ranges widely at 1-50%, since values are typically calculated within a...

F Amani G Rezaifar H Edalat Khah

Background: Melasma is a pattern of facial pigmentation that affects upper lip, cheeks, forehead and chin. The disease is seen mainly in 30-55 year old women, and may be regarded as a physiological change in pregnancy. Its etiologic nature is still unknown. Objective: To determine the prevalence of melasma in women in Ardebil city. Patients and Methods: The study was cross sectional-descr...

Hasan Edalatkhan Nayereh Amini Sani Somayeh Zeynizadeh

Background and aim: It seems that melanocytic nevi, freckle and lentigo are more common in women with melasma, and a common genetic background may exist. In this study the prevalence and number of lentigo, freckle and melanocytic nevus were compared in women with and without melasma.Materials and methods: In a case-control study, 120 women with melasma (case group) and ...

Background and purpose: Melasma is a common skin pigmentation disorder that manifests as hyperpigmented macules and patches. Genetic predisposition, sun exposure, and pregnancy are known risk factors for melasma. Previous studies have suggested that thyroid disorders may be associated with melasma. Given the fact that vitamin D affects and stimulates the production of melanin by melanocytes, th...

Journal: :Journal of skin and stem cell 2022

: Melasma is a common dermatosis, presenting as ill-defined light to dark brown pigmentation of photo-exposed areas, most commonly the face. Its exact prevalence unknown, but it commoner in intermediate skin phototypes and women reproductive age. treatment monitoring have significance due its chronic recalcitrant history psychosocial impact. Various indices tools like melasma area severity Inde...

Journal: :Kathmandu University medical journal 2012
D Karn S K C A Amatya E A Razouria M Timalsina A Suwal

BACKGROUND Nepalese population with Fitzpatrick skin types III-V has high prevalence of pigmentary disorders and it is a growing cosmetic concern. Q-Switched Neodymium- Doped Yttrium Aluminum Garnet (QS Nd-YAG) laser is an efficacious tool in the treatment of pigment disorders. OBJECTIVE To highlight the efficacy and safety profile of various pigment disorders. METHODS A prospective study d...

2013
Hassan Adalatkhah Homayoun Sadeghi Bazargani

BACKGROUND Although, melasma is most prevalent among Asian young women, and also darkly pigmented individuals are particularly prone to developing post inflammatory hyperpigmentation, to the best of our knowledge, there are rare or no studies about the association of melasma and Post inflammatory hyperpigmentation. OBJECTIVES The aim of this study was to investigate how likely is a melasma pa...

Journal: :Acta dermato-venereologica 2015
Natalie Locci-Molina Annie Wang George Kroumpouzos

Melasma is a common acquired hypermelanosis of the skin that has been associated with several etiologic factors including ultraviolet light exposure, pregnancy, and oral contraceptives (OCPs) (1). Forty-one percent of women surveyed in one study had onset of melasma after pregnancy, and 25% after starting an OCP (2). Women who develop melasma during pregnancy may be more susceptible to developi...

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