Results 11 to 20 of about 35,403 (233)

The Genetics and Evolution of Human Pigmentation [PDF]

open access: yesBiology
Human skin pigmentation is one of the most visible and variable traits among populations and has been shaped primarily by natural selection in response to ultraviolet (UV) radiation.
Dorra Guermazi, Elie Saliba
doaj   +2 more sources

Clinical, Dermoscopic and Histopathological Study of Patchy Pigmentation of Lower Legs

open access: yesIndian Journal of Dermatology
Background: Patchy pigmentation of lower legs presents with patches of hyperpigmentation, hypo, or depigmentation of legs. Dermoscopy is an efficient diagnostic tool dermatologists use to bridge the clinical and histological evaluation gap. This study on
Kalaiarasi Murugan   +3 more
doaj   +2 more sources

Low-Level Laser Therapy as an Effective Intervention for Facial Pigmentation: A Case Report of Ephelides and Lentigines in Syrian Women [PDF]

open access: yesCase Reports in Dermatological Medicine
Facial pigmentation disorders such as ephelides (commonly known as freckles) and solar lentigines are chronic dermatological conditions associated with sun exposure that can impact cosmetic appearance.
Kawthar Shurrab, Juliana Nabil Alzghayar
doaj   +2 more sources

Vitiligo-Like Depigmentation following Treatment with Imiquimod 5% Cream for Condylomata Acuminata

open access: yesCase Reports in Dermatology, 2021
Imiquimod cream is an immunomodulatory agent that has been approved by the US Food and Drug Administration for use in the treatment of anogenital warts (condylomata acuminata) due to its local immune effects in activating Toll-like receptors 7 and 8 on ...
Maram Alatabani   +2 more
doaj   +1 more source

The debut of Schamberg disease (a clinical case)

open access: yesZaporožskij Medicinskij Žurnal, 2023
A group of pigmented purpuric dermatoses includes a list of skin diseases characterized by multiple petechial hemorrhages, purpura, and increased skin pigmentation (yellow, brown, or red patchy).
S. O. Matviienko
doaj   +1 more source

Nail changes associated with pigmentary disorders

open access: yesPigment International, 2021
Salient nail unit changes serve as pointers toward systemic disease. On similar lines, salient nail changes are associated with pigmentary disorders, and can help toward diagnosis.
Chander Grover, Shikha Bansal
doaj   +1 more source

Pseudomelanosis Duodeni Appearing after Oral Iron Therapy

open access: yesCase Reports in Gastroenterology, 2021
Pseudomelanosis duodeni is a rare condition characterized by the endoscopic appearance of diffuse dark pigmentation of the duodenal mucosa. It is typically seen in older women and has been reported to be associated with hypertension, chronic renal ...
Yuichiro Hirai, Hideki Mori, Ai Fujimoto
doaj   +1 more source

Zebrafish in dermatology: a comprehensive review of their role in investigating abnormal skin pigmentation mechanisms

open access: yesFrontiers in Physiology, 2023
Skin pigmentation abnormalities, ranging from aesthetic concerns to severe hyperpigmentation disease, have profound implications for individuals’ psychological and economic wellbeing.
Junying Qu   +9 more
doaj   +1 more source

Hypopigmented macules of the limbs in two sisters: report on familial Bier spots [PDF]

open access: yesAnais Brasileiros de Dermatologia, 2015
Bier spots are asymptomatic, small, irregular, hypopigmented macules characterized by a normal histological appearance, which are usually found on the arms and legs of young adults.
Giuseppe Stinco   +2 more
doaj   +1 more source

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