Zoster is the name applied to a number of skin disease characterized vsapaniem knots that have not experienced consistently changes in other discharge chute elements (vesicles, pustules I other).
Such diseases are: lichen ruber planus, lichen nitidus, red pityriasis hair zoster, Daveri (pointed red zoster).
red flat zosterLichen ruber planus (red flat zoster) is often observed skin disease of unknown etiology. The most probable theories of its origin are neurogenic (in favor of that show severe itching, sometimes observed precipitation along the nerves, and that the disease often occurs after severe mental trauma and infectious assumption that the disease is caused by a neurotropic virus. Are mostly adults (30-50 years), children and young men only rarely.
Skin lesion is characterized by an eruption of small flat door, first, pale pink, then purple color, brilliant at lateral illumination. In the center of the bundle is noted pupkoobraznym impression. The rash is accompanied by severe itching. Further nodules merge and form small plaques malmofestivalen shape, the surface of which is revealed, especially after wetting by water, grayish color grid is a symptom of Wiccana. Sometimes the nodules expand on the periphery and, resolved in the centre form the rings. Rash mainly localized on the flexor surfaces of the forearms, the front surface of the legs, in the lower back and genital organs, but in some cases, the lesions may spread to the skin of the entire body. Often the defeat mucous membrane of the oral cavity, mainly on the cheeks, in the form of the white color of the grid, and also along the edge and on the surface of the tongue, on the red border of the lips in the form of a white plaque reminding leukoplakia (see). On the place of permitted plaques and knots formed dark brown pigmentation. It started badly, the disease is chronic and can last many months or even years.
In addition to the main form, there are the following types: 1) the gallbladder, when in the acute period, along with knots occur bubbles; 2) atrophic by which the place of permitted rash formed atrophy, and 3) verrucosa characterized by the fact that on the surface of platelets appear warty growths (exceptionally on the front surface of the legs).
In the differential diagnosis of respect, it should be borne in mind papular sifile (see Syphilis).
Treatment. In the acute period shows a broad-spectrum antibiotics (biomitsin and others), synthetic antimalarial drugs (resochin, delagil), injection gluconate calcium, vitamins C, B1. With a strong itch - diphenhydramine, suprastin, pipolfen. Naruzhno - antipruritic funds. In some cases it is recommended treatment by hypnosis. When verrucose form - local novocaine blockade, massage snow carbon dioxide.
Lichen nitidus (brilliant zoster) is a rare skin disease of unknown etiology. More sick children. Characterized by a rash of small, no more than a pinhead, brilliant knots normal skin color, round or polygonal shape, not merging with each other. Localized often on the penis and flexor surfaces of the forearms, and sometimes on other parts of the skin. Subjective feelings are absent. A long, chronic. Treatment with little success. It is recommended the appointment of vitamins a, C, B1, ultraviolet irradiation.
Red pityriasis hair zoster, Diverge - see Pityriasis.

Lichen lichen - a term first widely used to define the different nature of dermatoses manifested outwardly similar nodular rash. Algebra (F. Hebra) narrowed this concept, suggesting called "ohanami", or deny, only those chronic skin disease characterized vsapaniem door, not transformed in any other morphological elements (including vesicles, pustules, and others). To the group of herpes in this sense include: lichen ruber planus, lichen nitidus, lichen ruber acuminatus, lichen amyloidosus (see Amyloidosis skin), lichen myxoedematosus (see Myxedema skin), lichen circumscriptus, s. simplex chronicus Vidal (see Neirodermit), lichen pilaris (see Keratosis), lichen scrophulosorum (see Tuberculosis skin).
The name "zoster" managed some dermatitis characterized vsapaniem scaly patches [pink tinea (pityriasis rosea), scaly L. (see Psoriasis), otrubevidnyi L. (pityriasis versicolor), simple L. (pityriasis simplex)], as well as by the eruption of vesicles (see Herpes).