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Malignant melanoma is the most common metastatic tumor of the gastrointestinal tract and can present with fairly non-specific symptoms. A 63-year old man with previous enucleation of the left eye for a malignant coroidian melanoma presented signs of intestinal subocclusion. Weight loss and a palpable mass deep on the paraumbilical left region were the(More)
BACKGROUND AND AIMS Nitro-oxidative stress may have pathophysiological consequences. The study aimed to assess the nitro-oxidative stress, the vascular growth factor, and metalloproteinase-9 levels in patients with noncirrohic and cirrhotic portal hypertension. METHODS Patients with noncirrhotic portal hypertension (n=50) and cirrhotic portal hypertension(More)
BACKGROUND AND AIM The aim of the study was to evaluate vitamin E effect upon oxidative stress associated with toluene -2, 4-diisocyanate (TDI)-induced asthma in rats. METHODS The five study groups were: control, vehicle, TDI, vehicle+E, TDI+E. TDI animals were sensitized by nasal administration of TDI 10% (5μl/nostril) between days 1-7 and 15-21. Between(More)
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