Contagious mollusk

Contagious mollusk – parasitic damage of skin and mucous membranes a specific virus. It is shown by painless nodular rashes with a pupkovidny vdavleniye in the center from which when pressing curdled contents are allocated. At hit on skin or mucous this secret there is self-infection and transfer of a disease to contact persons. Has tendency to a recurrence, it is often fixed together with other infections, including HIV infection.

    Contagious mollusk

    The contagious mollusk – a chronic vyskokontagiozny disease of skin, the activator of a contagious mollusk enters into ospenny group of viruses – Molluscipoxvirus. On the international classification of diseases the contagious mollusk does not belong to venereologic diseases, however, WHO includes a contagious mollusk in the list of infections sexually transmitted. Persons of both floors regardless of age groups are subject to infection, but people illegible in sexual contacts and children get into risk group.

    Pathogenesis of a contagious mollusk

    Contagious mollusk this good-quality new growth of skin; synthesis of a DNA virus happens in epidermis keratinotsita, after reproduction of a virus in cells of the owner activity of T-lymphocytes is blocked, and therefore immune cages at defeat are absent, as explains immune tolerance which favors to the activator at infection.

    Ways of infection and pathogenesis of a contagious mollusk

       The contagious mollusk is a disease to which only people are subject. Infection occurs at direct contact of the sick person with healthy, but takes place to be the mediated way of infection – through the polluted objects.

    Adults generally catch a contagious mollusk at sexual contact, infection occurs due to contact of skin of partners, but not by means of a koitus for this reason some international medical organizations do not carry a contagious mollusk to group of infections, sexually transmitted. The area of defeat at sexual contacts is usually a crotch, the internal surface of hips, the lower part of a stomach, genitalia.

    At infection with a household way of a certain localization there is no contagious mollusk, new growths can be met on any sites of skin. Existence of damages and microinjuries of skin is a favorable condition for a virus inokulyation.    Infection cases usually have single character, despite high contageousness of a mollusk, but in kindergartens of defeat can have endemic character.

    Such factors as density, contacts with skin, the damp atmosphere favor to a dissemination. The incubatory period of a contagious mollusk makes from several weeks to several months therefore it is difficult to establish an infection source. After emergence of clinical manifestations the contagious mollusk extends on a body by self-infection. Cellular immune deficiencies congenital and acquired promote infection, at people with HIV infection incidence of a contagious mollusk is several times higher.

    As the activator of a contagious mollusk is the DNA virus, full treatment cannot achieve, however modern methods of influence allow to achieve long and permanent remission.

    Clinical manifestations of a contagious mollusk

    After the incubatory period on skin there are single painless dense small knots of the rounded shape, skin color struck with a contagious mollusk, usually is not changed or gets a pink shade, wax-like or nacreous gloss can sometimes be noted. Further there is an increase in quantity of elements of a contagious mollusk at the expense of self-infection. The sizes of rashes from prosyany grain to a pea, at merge of elements can sometimes be formed huge contagious mollusks, they have an appearance of hemispherical papules with the sunk-down central part.

         (- )Small knots settle down on a body everywhere, but as at the second stage of development of a contagious mollusk self-infection occurs through hands, sites of skin which they most often touch are surprised. This person, neck, top part of a trunk and actually hands. Rashes of a contagious mollusk have chaotic character, and their quantity sometimes reaches several hundred, friction of hands and involuntary pochesyvaniye increase quantity of dissemination.

    When pressing the tweezers or casual damage of a contagious mollusk from it allocate the white kashetseobrazny weight which consists of the horny cages and lymphocytes. But also to contain in it inclusions of mollyuskoobrazny little bodies thanks to what the disease and received the name. Any subjective feelings are absent, but some patients patients with a contagious mollusk note an itch and small infiltration which happens at accession of a secondary infection.

    At atypical forms of a contagious mollusk of the characteristic concave center on rashes can not be, and elements can be very small sizes. Profuzny forms of a contagious mollusk diagnose for children with atopic dermatitis, for children with leukemia and immunodeficiencies, and also for HIV-positive patients. As a rule, the current of a contagious mollusk passes without complications, aseptic and purulent abscesses of skin around a defeat zone are possible. The superinfection after which there are hems is seldom or never observed.

    Diagnostics of a contagious mollusk

    The diagnosis is made by the dermatologist on the basis of clinical examination of the patient, at doubtful cases for diagnostics resort to a histologic research during which mollyuskovy little bodies in cytoplasm of cells of epidermis are found. It is necessary to differentiate a contagious mollusk with red flat it is deprived, a multiple form of a keratoakantoma and warts.

    Treatment of a contagious mollusk

      Surgical removal by means of a curettage after preliminary local anesthesia under a film gives good effect as for one session it is possible to remove a large number of contagious mollusks because of almost total absence of a pain syndrome during the procedure. Hold usually one session a month, and for several months there occurs absolute clinical recovery. At such method of treatment there is no contents of small knots left, the travmatization of integuments is minimum, after a curettage electrothermic coagulation of places of defeat is in certain cases shown.

    Removal of skin formations of a contagious mollusk is possible by cryodestruction or a radio wave method. Also removal is applied by the laser. If it is a little rashes of a contagious mollusk, then himiopreparata give good effect, but it is long them it is not recommended to use because of irritant action on skin. At an insignificant dissemination UF-radiation and use of creams with an acyclovir are shown by medical ultraviolet of the affected skin to all patients with a contagious mollusk.

    The method of application by Tuberkulin on the site struck with a contagious mollusk especially often is used in children's dermatology as is painless. This technique new, and therefore is not present exact statistical data on its efficiency. But children have to be previously provaktsinirovana of BTsZh or izoprinoziny.

    Prevention and forecast

    In most cases the forecast at infection with a contagious mollusk is favorable, exceptions are made by patients with immunodeficiency. Prevention consists in respect for personal hygiene as in places of public use, and house. It is necessary that each family member had the bast and other bathing accessories. When diagnosing a contagious mollusk at children, the infected children are isolated and appoint a quarantine for a period of duration of the incubatory period with daily routine inspection of all children's collective and service personnel.

    Contagious mollusk - treatment should be carried out only under the supervision of a doctor. Self-treatment is unacceptable!!!

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