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Znamiona barwnikowe wewnątrzgałkowe – znaczenie badań USG i UBM

100%
Lewandowski P.
OphthaTherapy
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2018
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vol. 5
|
issue 4
235-240
EN
When an ophthalmologist discovers a pigmented nevus in the anterior segment or the inside of the eyeball, the question to ask is how often follow-up visits and imaging studies should be scheduled. Ultrasonography and ultrabiomicroscopy (UBM) furnish a good deal of information for the diagnostic work-up and monitoring of patients with pigmented nevi. It should be remembered that only by following up the patient will the ophthalmologist be able to detect early changes associated with malignant transformation of such lesions.
PL
Każdy lekarz okulista, widząc znamiona barwnikowe odcinka przedniego lub wewnątrz gałki ocznej, zadaje pytanie, jak często umawiać pacjenta na badania kontrolne i badania dodatkowe z całego arsenału metod obrazowania. Badania ultrasonograficzne (USG) i ultrabiomikroskopowe (UBM) wnoszą w naszą diagnostykę i monitorowanie pacjentów ze znamionami barwnikowymi dużo informacji. Należy pamiętać, że tylko kontrolne obserwacje pozwalają nam w początkowej fazie wychwycić zmiany odpowiadające zezłośliwieniu badanych struktur.
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Effects of competitive pentathlon training on the antioxidant defence components

63%
Lewandowski P., Hübner-Woźniak E.
|
EN
Study aim: To assess the effects of training on the activities of antioxidant enzymes in erythrocytes and on the total plasma antioxidant status in competitive pentathletes.Material and methods: A group of 10 senior male pentathletes (P) and of 10 sedentary male subjects (S) participated in the study. Blood was withdrawn from the antecubital vein in the morning, in the preprandial state. The activities of superoxide dismutase (SOD), glutathione reductase (GR) and catalase (CAT) were determined in erythrocyte haemolisates, that of glutathione peroxidase (GPX) in whole blood haemolysate, and the total antioxidant status (TAS) in plasma.Results: The activities of all enzymes were significantly (p<0.05 - 0.001) higher in P than in S group while no significant between-group difference was found for TAS.Conclusions: The pronounced enzymatic antioxidative potential and oxidative stress defence observed in athletes practicing modern pentathlon may be attributed to their extensive training.
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