Dermatology is a medical science that studies structure and function of the skin, mucous membranes, hair and nails, skin diseases, their diagnosis and treatment. In general all skin diseases can be divided into several commonly observed groups:
Pyoderma are pustular diseases caused by pyogenic microorganisms (staphylococci, streptococci, etc.). Pyoderma are the most common skin diseases in all age groups. They include folliculitis, sycosis vulgaris, furunculosis (boils), carbuncles, hydradenitis, impetigo, and many others.
Mycoses are fungal diseases caused by pathogenic fungi: tinea versicolor, epidermophytosis of the Viral dermatoses caused by different viruses: herpes simplex and herpes zoster, verruca, molluscum contagiosum.
Chronic infectious diseases: tuberculosis of the skin, leprosy, Lyme disease.
Parasitic diseases is a common group of diseases caused by different pathogens: parasitic mites mange, louses pediculosis, trypanosome protozoa Leishmania - Leishmaniasis
Allergic skin diseases include a group of diseases caused by allergic reaction. Allergic skin diseases include dermatitis, eczema, urticaria.
Neurodermatoses are diseases caused by disorders of nervous system: skin itching, neurodermatitis, pruritis.
Psoriasis one of the widespread chronic skin disease that affects also nails and joints. Psoriasis is divided into ordinary, exudative, seborrheic, palmarplantar (hand-foot), pustular, atrophic, psoriatic erythroderma.
Diffusive diseases of the conjunctive tissue are characterized by damage of conjunctive tissue include dermatomyositis, scleroderma, erythema centrifugum.
Bullous autoimmune dermatoses are diseases characterized by primary morphological feature - blister: pemphigus, bullous pemphigoid, Dermatitis herpetiformis Duhring.
Skin vasculitis (vasculitis) are dermatoses characterized by a nonspecific vasculitis of varying degree. They include dermal vasculitis, chronic pigmented purpura, angiitis.
Genodermatosis is a hereditary disease of the skin, manifested by various pathological processes in the skin: ichthyosis, keratoderma, bullous epidermoliz, Recklinghausen disease.
Disorders of skin appendages (sebaceous glands, hair and nails) include seborrhea, acne, alopecia.
Chromatodermatosis include pigmentation skin disorders, usually caused by violations of pigment melanin deposits.
Skin tumors include: seborrheic keratosis, skin precancer, keratoacanthoma, basalioma, planocellularc cancer, melanoma, fibroma.