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Melasma is a common acquired skin disorder that presents as a bilateral, blotchy, brownish facial pigmentation. This form of facial pigmentation was previously called chloasma, but as this derives from the Greek meaning ‘to become green’, the term melasma (brown skin) is preferred. It was also known as the ‘mask of pregnancy’.
It affects 90% of pregnant women, particularly those with skin of colour (Fitzpatrick skin types IV-VI). This pigmentation fades after delivery, but usually not completely. Melasma develops in the second half of pregnancy in 70% of women, especially those with dark complexions. This usually presents as irregular, sharply marginated areas of ...
Chronic pigmentary disorders, particularly melasma and acquired dermal macular hyperpigmentation. Photocontact dermatitis to certain plants. Thickened skin eg, acanthosis nigricans or ichthyosis. Pigmented purpura due to bleeding into the skin, such as capillaritis or senile purpura. Segmental pigmentation disorder.
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Chloasma images Categories: Pigmentary disorders, Diagnosis and testing ICD-10: L81.1 ...
Hydroquinone is most commonly used in bleaching creams by patients aged 13 years and over with a dark skin type. It can be used, often in combination with other medications, to treat: Melasma. Postinflammatory hyperpigmentation such as subsequent to acne. Freckles and lentigines.
Tranexamic acid is mostly well-tolerated. In the most extensive case series of patients treated with tranexamic acid for melasma for a median duration of 4 months (n=561), 7% of patients reported adverse events, including: Abdominal pain, bloating, nausea, and vomiting. Numbness or itching of the face, lip, fingers, or toes.
A melanocytic naevus (American spelling ‘nevus’), or mole, is a common benign skin lesion due to a local proliferation of pigment cells (melanocytes). It is sometimes called a naevocytic naevus or just 'naevus' (but note that there are other types of naevi). A brown or black melanocytic naevus contains the pigment melanin, so may also be ...
Pityriasis versicolor presents as asymptomatic flaky patches on the trunk, neck, and/or arms, which persist for months or years. It is pink or coppery in pale subjects, but on tanned skin the patches are pale brown, since tanning does not occur in the affected areas. The yeast produces azelaic acid, which diffuses down and impairs the function ...
Pigmented macules on the tongue in Laugier-Hunziker syndrome. Dorsal hand vitiligo (V-patient1) Symmetrical wrist vitiligo - a common location (V-patient1) ADVERTISEMENT. Lichen planus pigmentosus of lower lip. Vitiligo in the axilla. A pigmented band on the right middle fingernail in Laugier-Hunziker syndrome. Vitiligo over the back and elbows.
