Diseases of the skin and subcutaneous tissue (dermatology)

T-cell lymphomas of the skin

Most often, T-cell lymphomas are registered in elderly people, although isolated cases of the disease are noted even in children. Men are sick twice as often as women. T-cell lymphomas are epidermotropic in nature.

Lyell's syndrome: causes, symptoms, diagnosis, treatment

Lyell's syndrome (synonyms: acute epidermal necrolysis, toxic epidermal necrolysis) is a severe toxic-allergic disease that threatens the patient's life, characterized by intense detachment and necrosis of the epidermis with the formation of extensive blisters and erosions on the skin and mucous membranes.

Stevens-Johnson syndrome

Stevens-Johnson syndrome is a toxic-allergic disease that is a malignant variant of bullous erythema multiforme exudative.

Rheumatoid nodules: causes, symptoms, diagnosis, treatment

In 20% of patients with rheumatoid arthritis, nodular rashes are detected - rheumatoid nodules. Nodes most often appear in severe cases of the disease, when the blood serum often has positive antiulcer and rheumatoid factors.

Raynaud's disease or syndrome: causes, symptoms, diagnosis, treatment

Raynaud's disease or syndrome is most common among young women or women in menopause. Raynaud's syndrome is characterized by ischemia caused by exposure to cold or emotional stress.

Behcet's disease in adults

Behcet's disease (synonyms: major Touraine aphthosis, Behcet's syndrome, triple syndrome) is a multi-organ, inflammatory disease of unknown etiology, the clinical picture of which consists of aphthous stomatitis and lesions of the genitals, eyes and skin.

Urticaria (Quincke's angioedema)

Urticaria (angioedema Quincke) is an allergic disease of the skin and mucous membranes, characterized by the formation of blisters, accompanied by itching and burning. A distinction is made between acute, including acute limited Quincke's edema, and chronic urticaria.

Facial hemiatrophy: causes, symptoms, diagnosis, treatment

The causes and pathogenesis of facial hemiatrophy have not been established. Facial hemiatrophy often develops with damage to the trigeminal nerve and disorders of autonomic innervation, which may be genetically determined; progressive hemiatrophy may be a symptom of banded scleroderma.

Cutaneous manifestations in dermatomyositis

Dermatomyositis (synonym: polymyositis, Wagner's disease) is a connective tissue disease that primarily affects the skin and skeletal muscles. People of all ages are affected.

Scleroatrophic lichen

The causes and pathogenesis of lichen sclerosus are not fully understood. Pathologies of the nervous, endocrine and immune systems, infectious agents, etc. play an important role in the development of the disease.