Abundance of domestic mites in dwellings of children and adolescents with asthma in relation to environmental factors and allergy symptoms.

Exposure to house dust allergens, mainly from domestic mites, is an important cause of allergic reactions in sensitized asthmatic patients. A total of 63 dust samples were collected from 16 flats in Bytom (south Poland); in each flat a person (age 4-17 years) suffering from bronchial asthma lived with his/her family. Mite density was calculated as the number of specimens per g of dust.

Meckel's diverticulum - a congenital defect of the gastrointestinal tract underestimated in differential diagnostics. Own experience.

Meckel's diverticulum is a vestigial remnant of the omphalomesenteric duct. It is the most frequent defect of the gastrointestinal tract and is present in approx. 2% of the population: more often in boys than in girls, at a 3:1 ratio.

Intraspinal mesenchymal chondrosarcoma in a 14-year-old patient: diagnostic and therapeutic problems in relation to the review of literature.

Mesenchymal chondrosarcoma (MC) is an infrequent, highly malignant neoplasm of the soft tissues and bone. It is very rare in the pediatric age group, especially in the intraspinal location. Only 24 cases have been reported to date.

[Family incidence of Addison-Biermer anemia].

Addison-Biermer anemia is an autoimmune disease with genetic predisposition. It is more common in families of the patients with pernicious anemia and other immune diseases. We present two cases of family incidence ofA-B anemia.

[Characteristics of metabolic syndrome in children and adolescents with arterial hypertension].

Unlabelled: Among the components of metabolic syndrome (MS) obesity, arterial hypertension, insulin resistance, abnormal plasma lipoproteins balance: decreased HDL concentration and increased level of triglycerides are mentioned. In diagnosis of MS the coexistence of three of these criteria is obligatory. MS is frequently diagnosed in adult patients.