Dermatomycosis is an infectious disease of the skin and its appendages, which is caused by various pathogenic, conditionally pathogenic fungi. Typical pathogens include Trichophyton, Microsporum, Epidermophyton. According to the clinic, dermatomycoses are divided into mycoses of smooth skin, skin folds, scalp, hands and feet. Onychomycosis (fungal infections of nails) also belong to this category. To…
Dermatitis combines inflammatory skin diseases of various types. Disease is classified depending on the causes and localization of the lesion. Healthy human skin has protective functions, but with prolonged exposure to aggressive substances or with a decrease in immunity, the protective properties of the skin decrease, resulting in dermatitis. The group includes atopic dermatitis, simple…
Demodecosis is a lesion of smooth skin and hair by a microscopic tick of the genus “demodex”. It begins with the appearance of skin rash, acne, ulcers on the skin of the face, chest, back, increased greasiness of the skin, itching. Further progression of the disease leads to pronounced cosmetic defects: the skin acquires an…
Mycosis fungoides is a malignant tumor lesion of the lymphoid-reticular system, primarily of the skin, and later of the internal organs. Mycosis fungoides is a T-cell lymphoma. In the classic version, the disease goes through erythematous, plaque and tumor stages. Diagnosis of the disease in the first stage is difficult due to the similarity of…
Fungal infections are a group of diseases based on infection of the skin, mucous membranes, nails, hair caused by pathogenic fungi. Common manifestations are peeling, wetting, inflammatory skin phenomena, flaking of scales, severe itching, thickening and changing the structure of the skin, nails, hair. When combing – the addition of secondary infection and suppuration. Diseases…
Blue nevus (Jadassona-Tiche blue nevus) is an acquired pigmented neoplasm of the skin of a small size, having a characteristic dark blue or blue color. As a rule, such an education is isolated, but in some cases there are also multiple blue nevi. This nevus belongs to benign, but melanoma-threatening formations. In rare cases, it…
Deep pyoderma is a group of purulent-inflammatory lesions of the skin (mainly its deep layers – the dermis) caused by infection of tissues with staphylococci, streptococci or mixed microflora. The symptoms of the disease vary depending on the severity of inflammation and the nature of the pathogen, but necessarily include swelling, soreness, redness and pus…
Hypomelanosis is a condition of the skin characterized by a focal decrease in the amount of melanin caused by genetic or some physical (ultraviolet exposure) factors. The main symptom of hypomelanosis is the appearance of hypopigmentation foci of different sizes and intensity on the skin surface, depending on the form of the disease. Diagnosis of…
Hypertrophic scar is an excessive overgrowth of fibrous connective tissue during pathological healing of a skin wound. A cosmetic defect is formed with extensive skin lesions with uneven edges, congenital predisposition, inadequate surgical care and excessive tissue tension. The scar protrudes a few millimeters above the skin, has a purple or pink color, in shape…
Hyperkeratosis is an excessive thickening of the stratum corneum of the epidermis. The concept of hyperkeratosis comes from two Greek words hyper – a lot and keratosis – keratin formation. The cells of the stratum corneum begin to divide intensively, which, in combination with violations of the peeling of the epidermis, leads to thickening, which…