A. Stawowy

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The process of angiogenesis occurs in many physiological states, but it is also essential for the growth of solid tumours and metastasis formation. An abnormal arterial vascularization has been shown in prolactin-secreting pituitary adenomas induced by prolonged treatment with oestrogens in Fischer 344 (F344) rats. It is thought that anti-angiogenic agents(More)
Anterior pituitary hyperplasia and histologically verified adenomas were induced by diethylstilboestrol (DES) containing implants in a total of 104 female F344 rats. Thirty rats were used as controls. Blood flow in the anterior pituitary (PBF) was measured using the hydrogen clearance method. PBF was progressively reduced to 25% by DES in 13 weeks but the(More)
Anterior pituitary hyperplasia was developed in female Fisher 344 rats by subcutaneously implanted slow-release diethylstilbestrol (DES) capsules. Blood flow was measured in two separate areas of the adenohypophysis using hydrogen clearance method at 6, 9, 10, and 13 weeks after the implantation. Blood flow progressively decreased while the DES capsules(More)
The cerebrospinal fluid (CSF) levels of somatostatin in patients with brain tumours, communicating hydrocephalus, lumbar-disc disease (treated as a control) were measured by specific radioimmunoassay. The somatostatin concentration in the patients with brain tumours and intracranial hypertension was significantly higher compared to those with brain tumours(More)
Blood flow was measured in the adenohypophysis and in the cerebral cortex of female F344 rats over a period of 90 min using the hydrogen clearance method. Tamoxifen, 1 mg/kg, administered iv reduced the blood flow in the adenohypophysis by 35%, whereas cerebral blood flow and arterial pressure remained unchanged. Seven days sc treatment with tamoxifen (1(More)
After a review of the modern views on the problem of the so called Tarlov's cysts the authors present a group of 20 patients with chronic low back pains in whom periradicular cysts were diagnosed demonstrating them by means of Dimer-X radiculography. In the light of an analysis of this material the authors reach the conclusion that there are no specific(More)
Mathematical programming, constraint programming and computational intelligence techniques, presented in the literature in the field of operations research and production management, are generally inadequate for planning real-life production process. These methods are in fact dedicated to solving the standard problems such as shop floor scheduling or(More)