DISEASES OF THE SKIN : MICROSPORES (MICROSPORIA) - etiology, pathogenesis, symptoms and course of, recognition, prediction and prevention
Meet 2 types of pathogens: Microsporum ferrugineum, parasitic only on human skin, and Microsporum lanosum, the bearer of which are cats, dogs rarely. The infectivity of both species of fungus is very high. Affects children of all ages, adults often defeat smooth skin, lesions on the head or beard are very rare.
Symptoms. When infection with M. ferrugineum are marked on the head scaly lesions of varying size and shape, whitish-grayish color, without inflammation, with uncertain shapes; the tendency to merge and form a continuous large affected areas. Along with a mass of broken hair (short on 2 - 3 mm, and high - 5 to 8 mm above the skin), lesions remains more or fewer healthy hair; in the mouths of the follicles are often seen Horny scales. Favourite localization: marginal zone (on the border with smooth skin neck, forehead and temporal areas.
When infection with M. lanosum is usually one large and several small or a few relatively large lesions. The lesions have the correct rounded shape, clear boundaries, all the hair in the outbreak of highly broken (5 to 8 mm) and wrapped in a white case. The entire hearth covered with scaly white scales, as if dusted with white flour. Inflammation often absent, sometimes pronounced, until the formation of naravnoy form type Kerion Celsi. For smooth skin there are round red spots with peripheral growth, sharply hyperemic, with a raised edge, which is often seen small bubbles or brown, and pale flaky center. When the infection smooth skin M. ferrugineum common form, reminiscent of the iris flower (several inflammatory red rings included one into another).
For long, the self-healing comes to puberty.
Recognition is based on the presence of a characteristic of broken hair and microscopic examination of: hair wrapped in the case of small, mosaic located (not chains) dispute. The type of agent can be determined accurately by planting infested hair on Wednesday Saburo. Careful assessment described the clinical picture of the lesion often allows you to accurately guess the type of fungus that caused the disease.
Treatment see ringworm, treatment.