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.

Evaluation of certain constituents of antioxidant defense in youth treated in the past for steroid-sensitive idiopathic nephrotic syndrome.

Disorders of lipid metabolism and antioxidant defense capacity reported during idiopathic nephrotic syndrome (INS) exacerbations are known. The aim of this study was to evaluate constituents of antioxidant defense [total antioxidant potential: ferric-reducing antioxidant power (FRAP), paraoxonase-1 (PON-1), tocopherols, ascorbic acid] in patients formerly treated for INS. The studied group consisted of 30 patients (20 males and 10 females) treated 4-15 years ago for INS.

Atherosclerosis risk factors in young patients formerly treated for idiopathic nephrotic syndrome.

Unlabelled: A total of 30 patients (ten female/20 male), 9 years to 22 years old (mean age 17.3 years) and 30 healthy teenage controls (mean age 16.4 years) were included in our study.

[Clinical usefulness of neopterin].

Neopterin (NPT) concentration reflects the activation of the cellular immune system. Neopterin is released by macrophages stimulated by interferon gamma which is produced by activated T lymphocytes. Raised NPT concentrations in body fluids are found in various disorders, e.

[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.