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Boil and furunculosis
Acute staphylococcal purulent-necrotic inflammation of the hairs. follicle and surrounding junction. tissue.
Etiology. The causative agent is golden, less often white staphylococcus.
Pathogenesis. It can form on unchanged skin, be a complication of the existing surface. or deep staphyloderma. The virulence and pathogenicity of the pathogen strain, exogenous and endogenous predisposal affect the occurrence. factors. Exogenous - small mechanical injuries by particles of dust, coal, metal, creating an entrance gate for infection, rubbing with clothes (on the neck, lower back, buttocks), scratching with nails (with eczema, neurodermatosis, scabies), meteorological conditions.
Endogenous - depletion of org-zma, metabolic diseases, gastrointestinal tract, anemia, hypovitaminosis, nervous and endocrine diseases. systems, alcoholism, constantly hypothermia or overheating =>? general immunobiological reactivity org-zma. In spring and autumn, boils occur more often. Children get sick less often than adults, men more often than women.
Distinguish between a single boil (one boil or appears again after several months or more), recurrent single (relapses - days, weeks) and furunculosis (one after another).
Clinic and course. 3 stages: 1) the development of infiltrate; 2) suppuration and necrosis; 3) healing.
First around the hairs. follicle appeared. towering tv bright red infiltrate with blurred borders, tingling sensation or slight soreness. Gradually, the infiltrate takes the form of a dense tumor, expanding, more painful; surround mk swelling (in the eyelids, cheeks, lips, swelling is pronounced). On the 3-4th day, the second stage: a boil from 1 to 3 cm in diameter, in the center is a purulent-necrotic rod with a pustule on the surface. A boil forms a cone-shaped tumor with smooth, glossy skin. The pains are sharp, t? C can? up to 37-38 ° C, intoxication systems may appear (general malaise, weakness, headaches, etc.). Next, the pustule's tire spontaneously or artificially opens and purulent, sometimes containing blood, is contained, then a necrotic core.
After removal or rejection of the rod, puffiness, infiltration and pain disappear, the remaining crater of the boil is performed by granulation and within 2–3 days it is scarred. The scar is initially blue-red, gradually becoming white. In the usual course of development of 8-10 days.
When the process is erased, a painful infiltrate is formed without suppuration and necrosis. With small sizes, the boils from folliculitis are distinguished by the formation of a small central necrotic core. In debilitated patients, exhausted by other diseases, or with irrational treatment, the furuncle can transform into an abscess (abscessed or phlegmonous furuncle).
Boils can be localized on any part of the skin, except for the skin of the palms and soles, where there are no hair follicles. Single boils especially often occur on the back of the head, skin of the forearms, lower back, abdomen, buttocks, lower extremities. The boils of the external auditory canal are very painful, and the upper lips are very dangerous due to the possibility of thrombosis of the lymphatic and venous tracts with the formation of septic phlebitis of the cerebral vessels and general sepsis. With the localization of the boil on the neck, chest, thigh, near the lymph nodes, acute stem lymphangitis and lymphadenitis can develop. With boils, metastases to the liver, kidneys and other internal organs can be observed. All these complications make boils in some cases a very serious disease. Complications during the boil can be facilitated by an attempt to squeeze it out, trauma when shaving, irrational local treatment and localization on the skin of the face, in the nasolabial triangle, on the skin and mucous membranes of the nose.
Furunculosis is spoken about with multiple (although this is not always the case) and recurrent rashes of boils. During the course, furunculosis is acute (lasts from several weeks to 1-2 months and is accompanied by the appearance of a large number of boils) and chronic (a small number of boils appears at short intervals or continuously for several months).
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Boil and furunculosis
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- Furuncle nose
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