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Skin Diseases: Melasma (Chloasma)
Lecturio
Disease or Syndrome
chloasma Audio
chlo·as·ma [ kloh-az-muh ]
Etymology:
Greek chloros = green
From this root, chloros, come a great many scientific terms: chlorine, chlorophyll, chlorosis, chloroform, et cetera.
Also called:
Melasma
Definitions related to chloasma:
  • (melasma) Symmetrical patches of tan or brown discoloration on the skin of the face that darken with sun exposure.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
  • (melasma) Symmetrical, blotchy, brownish facial pigmentation.
    Human Phenotype Ontology (HPO)
    The Human Phenotype Ontology Project, 2021
  • Melasma is dark brown patches of pigmentation that appear on sun-exposed areas of the skin, usually the face. Patchy areas of dark color appear on the skin.
    Merck Manuals
    Merck & Co., Inc., 2020
  • Melasma is an acquired hypermelanosis of sun-exposed areas. Melasma presents as symmetrically distributed hyperpigmented macules, which can be confluent or punctate.
    Medscape
    WebMD, 2019
  • Melasma is an acquired pigmentary disorder of sun-exposed areas. Characteristically, patients have muddy brown macules on the skin, predominantly in the malar and central facial areas; however, it can also affect areas such as the forearms and neck. This is due to an increase in melanocyte activity and melanin deposition in the skin....
    Epocrates
    Athenahealth, Inc., 2019
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.

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