Leucoderma

LeucodermaLeucoderma - skin hypopigmentation. Leucoderma is manifested in the form of spots of various sizes and shapes, with a brighter colour than the skin. The development of leukoderma due to the decrease in the skin pigment melanin. The reason for this is the inflammatory process in the skin and the nervous and endocrine disorders, as melanogenesis regulated by the sympathetic nervous system and the hormones of the pituitary gland.
Meets professional Leucoderma the destruction of pigment certain chemicals, acting directly on skin or if swallowed. So, for example, professional Leucoderma cause derivatives hydroquinone used in the manufacture of rubber products. When you use rubber gloves during work depigmented spots appear on the extensor surfaces of the hands, forearms.
A special form of leukoderma is syphilis, which requires special treatment (see Syphilis).
Treatment: addressing the causes of the Leucoderma; professional Leucoderma Troubleshooting contact with chemical substances that Deplete the pigment. External treatment is not required. Cm. also Pseudobacteremia.

Leucoderma (leukoderma; from the Greek. leukos - white and derma - skin) is a pigmentation disorder of the skin due to the decrease or disappearance of pigment.
Most clinicians considers Leucoderma secondary hypochromic skin. Primary Leucoderma some authors refer syphilis L., which is a characteristic symptom of secondary recurrent syphilis. It occurs normally not earlier than in 5-6 months. after infection and is more common in women than in men. Leucoderma may occur and the result is permitted skin rashes in patients with psoriasis, parapsoriasis, pink and pityriasis herpes, seborrheic eczema, trichophytosis, favazom. Under the influence of sun rays in the normal skin increases the formation of pigment, and in some places, covered with crusts or scales, this is not observed (the so-called solar HP). The emergence of leukoderma can also be caused by some medications (psoriasis, prizerebel and others), under influence of which develops skin pigmentation, while in the field of lesions remain white spots.
Syphilis L. more often localized in the neck (necklace Venus), less often on the trunk and upper extremities, and sometimes on the back, waist, abdomen. White depigmented spots of equal size 1 to 1.5 cm in diameter are located close to one another in a grid or lace.
There is speckled form (Fig) of leukoderma, in which a small amount of white spots is located on hyperpigmented background, and less often - marble form in which there is a sharp contrast between the color of the stain and the surrounding skin.
From syphilis L. differs false, or the sun in which the value of spots correspond to elements rash and is usually different. Syphilis L. never peel off and does not cause subjective sensations.
The diagnosis of syphilis L. confirmed by the presence of other sifiliguu, a positive serological reactions and often specific changes in the spinal fluid (see Syphilis serology).
Treatment - protevoepilepticescoe with the following careful monitoring of patients. Secondary leukoderma, developing ate above dermatoses, usually regress without treatment.

Syphilis Leucoderma (the spotted form).