Diseases of the skin and subcutaneous tissue (dermatology)

Chronic ulcerative vegetative pyoderma: causes, symptoms, diagnosis, treatment

Chronic ulcerative vegetative pyoderma is a deep form of pyoderma caused by streptococcal and staphylococcal infections. It occurs in people of any age. Development of the disease is promoted by severe immunodeficient conditions, leading to a decrease in the body's defenses, and a violation of the normal functional state of the skin.

Gangrene of the penis and scrotum: causes, symptoms, diagnosis, treatment

It is believed that the gangrene of the penis and scrotum is caused by Staphylococcus aureus, streptococcus, less often - Proteus. In the pathogenesis of the disease, an important role is played by sensitization to pathogens and their decay products, the development of allergies, the involvement of skin vessels, the development of ischemia and necrosis.

Shankriform pyoderma: causes, symptoms, diagnosis, treatment

Shankriform pyoderma is a bacterial infection of the skin resembling a syphilitic chancroid. The causative agent of the disease are staphylococci and streptococci. The disease develops with a decrease in the defenses of the body (the state of immunodeficiency) and the irrational therapy of the underlying disease (scabies, etc.)

Skin changes in erysipelas: causes, symptoms, diagnosis, treatment

Erysipelas - an acute inflammation of the skin. It occurs at any age, but elderly people are more often ill. The causative agent of the disease is Staphylococcus aureus, group A streptococcus (Streptococcus pyogenus). Gateway infection is any damage to the skin and mucous membranes.

Gangrenous pyoderma

Gangrenous pyoderma is a chronic, progressive necrosis of the skin of an unknown etiology, often associated with a systemic disease.

Cutaneous leishmaniasis: causes, symptoms, diagnosis, treatment

Leishmaniasis cutaneous (synonyms: Leishmaniasis of the Old World, Borovsky's disease) is an endemic transmission disease, found mainly in countries with hot and warm climates, manifested primarily by skin lesions.

Mastocytosis (pigmented urticaria)

Mastocytosis (synonym: pigment urticaria) is a disease based on the accumulation of mast cells in various organs of tissues, including the skin. Clinical manifestations of mastocytosis are due to the release of biologically active substances in mast cell degranulapia.

Keloid and hypertrophic scars: causes, symptoms, diagnosis, treatment

The causes of keloid and hypertrophic scars are unknown. Scars usually appear at the site of skin damage - after surgery, cryo-or electrodestruction, in the place of wounds, abrasions, acne vulgaris. They can also arise spontaneously, usually in the antero-thoracic region.

Livedo mesh (Melkersson-Rosenthal syndrome): causes, symptoms, diagnosis, treatment

The net levido (the Melkerson-Rosenthal syndrome) was first described in 1928 by Melkersson. He observed a patient with recurrent paresis of the facial nerve and persistent edema of the lips, and in 1931 Rosenthal added a third symptom - a folded or tonguous tongue.

Livedo: causes, symptoms, diagnosis, treatment

Levido is not a disease, but a kind of skin reaction to a particular effect. In the development of levidia, the period of hyperemia (the initial stage) and the period of pigmentation are distinguished. Levido can remain unchanged for many years. Subjective sensations are absent.

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