Chloasma

chloasma photo
Chloasma

Chloasma is hyperpigmentation of the skin. Chloasma occurs more often in women, the causes can be pregnancy, gynaecological diseases, depletion, pellagra, worm infestation, liver disease and other Provokes chloasma sun exposure: of skin appear spots of various size and shape.
Treatment. Prescribed 3 times a day: ascorbic acid 0,35 g, calcium Pantothenate to 0.25 g nicotinic acid 0.05 g, Riboflavin 0.015 g, methionine 0.5 g; exfoliating funds (10% white mercury ointment, creams "Metamorphosis", "Herb") and bleaching ointment (10% peredriy cream, 10% of the mercury-bismuth ointment and others).
Prevention chloasma: if you stay in the sun, wear protective ointments (5-10% salol, 3-10% of quinine), creams - "Ray"and other

Chloasma (from the Greek. chloazein - green; synonym: chloasma pregnant, liver spots) is a skin disorder from group limited melasma. Favourite localization - the skin of the face, mainly in the forehead, cheeks, upper lip. Appears as clearly defined patches of brown; location often symmetrical. The amount of spots of different - sometimes pockets chloasma take the skin of the forehead and cheeks. Subjective feelings are absent. Chloasma predominantly occur in pregnant women, but may stay for a long time and after childbirth; there is and regardless of pregnancy in inflammatory diseases of genital organs (adnexitis, metritis and others). Both women and men (less) observed in diseases of the liver (liver spots), with worms.
Along with the above picture chloasma meets a number of varieties of this disease. The Schoenfeld and Gottron (W. Schonfeld, N. A. Gottron) distinguish the following forms chloasma: 1) okolorotova the chloasma girls; 2) pigment okolorotova dermatitis Brock, a special option which they consider pigment okolorotova parakeratosis of Degase. The last two dermatosis have much in common in the clinical picture. Pigment okolorotova dermatitis Brock occurs almost exclusively in women of middle age. The disease begins with the appearance of age spots (usually symmetrical) in circumference mouth. Then you can join a similar defeat in the chin area and nasolabial folds. The long, the intensity of pigmentation can vary up to its complete disappearance. Peeling and phenomena seborrhea not marked, that distinguishes this disease from option described by Degalim first arise peeling and phenomena seborrhea (the same type), and then develop hyperpigmented spots. When this type of chloasma often stated itching, usually not intense, which is not in the okolorotova dermatosis Brock.
To chloasma may include a kind of depigmentation of the skin - so-called dark line (synonym: linea fusca, anulus bruneus faciei). Clinically manifested stripe pigmentation of the skin of the forehead, which comes to my temples, and sometimes, capturing the skin of the cheeks, symmetrically down on the side of the neck. Width of strips rarely exceed 1 cm In women is more common. This dyschromia can often be the first clinical symptom of severe Central nervous system diseases (Parkinson's disease, brain tumors, meningovascular syphilis, syringomyelia and others).
A special kind of chloasma is "bronze" chloasma, observed in Asia in the indigenous population and the Europeans living there. Hyperpigmentation in bronze chloasma is located not only on the skin of the face and neck, but also on the skin of the breast (rarely). The color of the spots are dark brown with a characteristic bronze tint. Europeans after departure from these areas, the intensity of pigmentation decreases and may disappear without treatment.
Pathogenesis chloasma mainly due to endocrine disorders.
Treatment. Local exfoliating creams (salicylic acid 5-10%), bleaching ointment (white sediment mercury 10-15%; pre exclude the sensitivity of mercury applying the ointment on a very small area of the skin), ointments with corticosteroids, 2-4% sulphuric ointment. Good exfoliating action have 1-3% sublimate alcohols, 15% razorenova pasta. To bleach stains use alcohols, pastes and creams with perhidrol (15 - 25%). Inside - multivitamins that large doses of vitamin C (0.35 g 3 times a day during 1-2 months. Obligatory treatment of the underlying disease.
Prevention - sunscreen creams and ointments that are applied from early spring to late autumn.
Cm. also Melanosis (skin).