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Zavisimost' skorosti ot vozrasta dlya B i A zvezd
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Ruprecht, J.; Palous, J. (eds.); Ceskoslovenska Akademie Ved, Prague. Astronomicky Ustav; 314 p; 1983; p. 256-257; Symposium on star clusters and associations and their relation to the evolution of the Galaxy; Prague (Czechoslovakia); 27 Sep - 1 Oct 1983; Published in summary form only.
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[en] The factors that influence leukaemia type are complex and differ for various leukaemogenic agents. Some leukaemogens increase the age-related risk of specific leukaemia, whereas other induce several or a single leukaemia type without age correlation. In most situations, age has no influence on leukaemia type. Consequently, other factors may explain the pronounced age-related differences seen for ''spontaneously'' occurring leukaemias in human beings. (author)
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[en] This thesis describes the use of computerised axial tomography (CAT) in brain studies of elderly psychiatric patients. A sample of 50 health controls, and two samples of patients, one with senile dementia (40) and one with effective disorders (41) were examined. The discussion revolves mainly round the relationship between radiological atrophy and intellectual deterioration, the association between affective illness in the elderly and organic brain disease, and a comparison of the dementia group with the others and the relationship of CAT scan findings to functional impairment. (U.K.)
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1980; 224 p; Available from British Library, Boston Spa, Wetherby, West Yorks. No. D36469/81; Thesis (Ph.D.).
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[en] Forty-three adults with histologically verified low grade gliomas, treated with post-operative radiotherapy between 1983 and 1991, were reviewed. Previous studies have identified age and extent of surgery as prognostic factors for survival. In this series, there was no significant difference between patients under 40 years of age and those 40 and over, nor was there a survival difference between those who had open biopsy and those who underwent subtotal/total resection. Patients with seizures preoperatively showed improvement in epileptic control at one year post-radiation. Clinical performance status and neurological deficit scoring indicated good preservation of function one year after radiation. (author)
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No abstract available
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International Atomic Energy Agency, Vienna (Austria). Joint FAO/IAEA Div. of Atomic Energy in Food and Agriculture; Panel proceedings series; p. 67-71; 1973; IAEA; Vienna; Research co-ordination meeting on the use of isotopes and radiation in control of parasitic and associated diseases in domestic animals; Kabete, Nairobi, Kenya; 22 Nov 1971
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Tellkamp, H.; Rosenkranz, G.; Dahl, K.; Koehler, K.
Abstracts of the Charite-symposium 'CT and MR in medicine'1988
Abstracts of the Charite-symposium 'CT and MR in medicine'1988
AbstractAbstract
[en] Abstract only
Original Title
Untersuchungen zur Altersabhaengigkeit der intrakraniellen Liquorraeume
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Humboldt-Universitaet, Berlin (German Democratic Republic). Bereich Medizin (Charite); 144 p; 1988; p. S36; Charite-symposium 'CT and MR in medicine'; Berlin (German Democratic Republic); 17-18 Oct 1988
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McClellan, R.O.; Rupprecht, F.C. (eds.); Lovelace Foundation for Medical Education and Research, Albuquerque, N.Mex. (USA); p. 230-233; Nov 1972
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Karlinger, Kinga; Gyoerke, Tamas; Makoe, Erno; Mester, Adam; Tarjan, Zsolt, E-mail: karlking@radi.sote.hu2000
AbstractAbstract
[en] The etiology of inflammatory bowel disease (IBD) is still unknown. However, a satisfactory solution cannot be far away. IBD actually encompasses two diseases, i.e. Crohn's disease (CD) and ulcerous colitis (UC). These diseases resemble each other so closely that they cannot be distinguished even pathologically, but differ from each other sufficiently to regard them as independent entities. Epidemiological observations may be helpful in identifying the true causative factors of this evasive disease. Geographically, the prevalence of the disease has a slope from North to South and, to a lesser degree, from West to East. The Western-Eastern discrepancy can be attributed to a difference in Western life styles. The incidence of the disease has been increasing world-wide of late, but its spread has been slowing down in highly affected countries. Racial and ethnic relations in different populations and immigration studies offer interesting data which can reflect genetic, inherited, environmental and behavioural factors. The disease seems to have a characteristic racial-ethnic distribution: the Jewish population is highly susceptible everywhere, but its prevalence in that population nears that of the domestic society in which they live. In Hungary, the Roma (Gypsies) have a considerably lower prevalence than the average population. This can be attributed to a genetic or environmental influence. According to age, the onset of the disease occurs more often in the second or the third decade of life, but there also is another peak in the 60s. Regarding sexual distribution, there is a slight preponderance of colitis ulcerosa in men and of Crohn's disease in women. It may correspond to the stronger auto-immune affection in the process of Crohn's disease. Environmental factors and behavioural influences also are investigated. Diet, the role of the early ages, smoking habits and the influence of hormonal status and drugs are viewed as useful contributing factors in the manifestation of the disease. Genetic studies show that one-fourth of IBD patients have an affected family member. HLAB27 histocombatibility also plays an important, but not determining role in the development of the disease. Genetic factors seem to have a stronger influence in Crohn's disease than ulcerative colitis. The existence of multiple sclerosis-IBD families may reflect the common genetic background or the similar microbial effect as well. A great number of bacterial and viral factors has been suspected of being infectious factors in IBD, mostly in CD. Mycobacteria, Yersinia, Campylobacter, Clostridium, Clamidias, etc. as well as bacteria and some viruses such as herpes and rotavirus and the primary measles virus. None of them has been proven as a real and exclusively pathogenic factor. Immunological background has an important function in the manifestation of the disease. If an individual has a genetic susceptibility to infections, the down regulation of an inflammation in the bowel wall does not occur in a proper way. This initiates the auto-immune process which is a self-increasing cycle. Extra-intestinal manifestations of IBD are of high importance because they can not only follow intestinal symptoms, but precede them by years. Hepatic and biliary disturbances (primary sclerosing cholangitis), are the most serious complications. Mucocutaneous manifestations can be the first appearance of the main disease (in the mouth). Auto-immune consequences (erythema nodosum) or complications caused even by the therapy can occur. Ocular and musculoskeletal manifestations supposedly have the same genetic background and often precede the intestinal symptoms. Considering the epidemiological, genetic and immunological data, we can conclude that ulcerative colitis and Crohn's disease are heterogeneous disorders of mutifactorial etiology in which hereditary (genetic) and environmental (microbial, behaviour) factors interact to produce the disease
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S0720048X00002382; Copyright (c) 2000 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA)
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[en] ICRP has published new age-dependent biokinetic and dosimetric models within the last decade which are the present radiation protection standard in internal dosimetry. These models are presented and compared to the former ones. Additionally, an outlook to future developments is given. (orig.)
[de]
ICRP hat im letzten Jahrzehnt neue altersabhaengige biokinetische und dosimetrische Modelle herausgebracht, die derzeit den Strahlenschutzstandard in interner Dosimetrie bilden. Diese Modelle werden vorgestellt und mit den vorhergehenden verglichen. Zusaetzlich wird ein Ausblick auf zukuenftige Entwicklungen gegeben. (orig.)Primary Subject
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Mann, M.D.
Eleventh congress of the South African Society of Nuclear Medicine : programme and abstracts2004
Eleventh congress of the South African Society of Nuclear Medicine : programme and abstracts2004
AbstractAbstract
[en] Full text: Bone scintigraphy is an integral part of the evaluation of bone disease in children. Common indications are suspected infection or inflammation, bone tumours and metastases, trauma and avascular necrosis. In all these disorders the sensitivity of scintigraphy is high. Gallium scintigraphy is often useful in children with clinical signs of infection not responding to treatment but the radiation dose is high. High quality images are essential. They depend on the full participation and co-operation of the child, parents and radiographers, the administration of appropriate analgesics, gentle but firm handling of the child, the injection of the appropriate amount of radiopharmaceutical, good positioning and immobilization, optimised equipment, and the acquisition of a suitable number of counts in an appropriate matrix size. Unless there are specific reasons for not doing so, we routinely perform two phase bone scintigraphy. This usually involves whole body blood pool and delayed images followed by static images of selected areas and, less often, pinhole images or SPECT. The interpretation of bone scan images in children requires knowledge of the age dependent differences in bone metabolism in the developing skeleton and the effect on the appearance of the maturing skeleton. (author)
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South African Society of Nuclear Medicine (South Africa); 98 p; Oct 2004; p. 41-42; 11. biennial congress of the South African Society of Nuclear Medicine; Pretoria (South Africa); 1-4 Oct 2004; Available in abstract form only, full text entered in this record. Publication also available from the INIS Liaison Officer for South Africa, P.O. Box 582, Pretoria, 0001, South Africa; The paper is only available in abstract format. 4 refs.
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