منابع مشابه
Pigmentary Disorders
Many factors have been implicated for the etiology of melasma, but the exact cause of this hypermelanosis is poorly understood. However, it is considered to result from solar radiation and genetic predisposition. Moreover, pregnancy, oral contraception and hormone replacement therapy with natural and synthetic oestrogens, have been involved in the pathogenesis of this hypemelanosis. Despite the...
متن کاملGenetics of pigmentary disorders.
The genetic and molecular bases of various types of congenital pigmentary disorders have been classified in the past 10 years, as follows: (1) disorders of melanoblast migration in the embryo from the neural crest to the skin: piebaldism; Waardenburg syndrome 1-4 (WS1-WS4); dyschromatosis symmetrica hereditaria. (2) Disorders of melanosome formation in the melanocyte: Hermansky-Pudlak syndrome ...
متن کاملPigmentary Disorders of Oral Mucosa
Oral mucosa under physiological condition contains a certain degree of chromic variation. Differentiating such physiological variations from pigmented lesions appears challenging without a histopathological confirmation. In several oral lesions, pigmentation is a part of the primary pathology or a secondary change to an existing entity. The pigments involved in both physiological and pathologic...
متن کاملO5: Stigma in Psychiatric Disorders
Social stigma is a major challenge among the patients with mental illness, their families and the health care providers. Not only the patient with psychological disorders, but also who has an infectious disease suffer social stigma. Stigma refers to an extreme and unusual disapproval of a person from the other members of society. Stigma is a Greek word that in its origins referred to a type of ...
متن کاملIncreasing our understanding of pigmentary disorders.
This article focuses on developments in pigmentary disorders that extend dermatologists' understanding of the field. Areas that are reviewed include the basic biochemistry, pharmacology, and physiology of the melanocortin system; melanosome development; genetic diseases associated with pigmentary disorders; pigmentary disorders secondary to systemic disease; drug-induced hyperpigmentation; envi...
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ژورنال
عنوان ژورنال: Journal of Pigmentary Disorders
سال: 2015
ISSN: 2376-0427
DOI: 10.4172/2376-0427.1000217