14 results for “General Electric”
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Medical study · Medical research · 1985
Intrapulmonary lymph nodes. Clinical, radiologic, and pathologic features
This article from Massachusetts General Hospital described ten patients with intrapulmonary lymph nodes (lymph nodes within the lung tissue) seen over two years, and reviewed 13 earlier reported cases. The patients were aged 36 to 73…
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Medical study · Medical research · 1989
The epidemiology and pathogenesis of malignant mesothelioma
In this brief review, the author set out to describe the general epidemiologic features of malignant mesothelioma of the pleura and peritoneum and to summarize understanding of how these tumors develop. He stated that, apart from…
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Medical study · Medical research · 1991
New developments in asbestos-induced pleural disease
…plaques and diffuse pleural thickening, together called pleural fibrosis. It reported that across 16 general-population autopsy studies, pleural plaques were found in 857 of 7,085 autopsies (12.2 percent, range 0.5 to 39…
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Medical study · Medical research · 1993
Asbestos-related pleural plaques and lung cancer
…pleural plaques and lung cancer in the absence of parenchymal asbestosis. There were six cohort studies in which the comparison group was limited to unexposed persons or the general population, four lung cancer case-control studies…
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Medical study · Medical research · 1990
Asbestos in lung tissue
…as the level identifying asbestos exposure. The author wrote that in the author's laboratory, 100 asbestos bodies per 5 g was the upper limit in the general population of Houston, Texas and Durham, North Carolina…
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Medical study · Medical research · 1983
Current issues in the pathologic and mineralogic diagnosis of asbestos-induced disease
…as the main problem. The author wrote that a million chrysotile fibers per gram of dry lung fit general-population background levels. A million amosite or crocidolite fibers per gram almost certainly indicated substantial occupational exposure…
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Medical study · Medical research · 1980
Asbestos bodies
…protein coat. They cited their own separate analysis, which examined the cores of over 600 bodies from more than 80 patients in the general population and found that the cores were asbestos. In that analysis, 98…
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Medical study · Medical research · 2003
Tumor necrosis correlates with angiogenesis and is a predictor of poor prognosis in malignant mesothelioma
…analyzed together, necrosis was not an independent predictor of survival. Cell type, general physical condition (performance status) and blood vessel count were. Necrosis did add information to two existing prognostic scoring systems, EORTC and CALGB. The…
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Medical study · Medical research · 1994
Environmental airborne tremolite asbestos pollution and pleural plaques in Afghanistan
…and that this hazard may be encountered in Afghanistan. They could not obtain detailed information on how common pleural plaques on chest X-rays are in the general population of the Kabul area and Loghar region.
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Medical study · Medical research · 1979
Environmental exposure to asbestos: A factor in the rising rate of cancer in the industrialized world?
…exposure could not easily be discounted. The author still saw no reason to change the Lyon conference conclusion of no evidence of a risk to the general public at present. The author urged physicians to take…
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Medical study · Medical research · 1988
Comparison of light and electron microscopy for defining occupational asbestos exposure in transbronchial lung biopsies
…past occupational exposure is examined. Simulated transbronchial biopsy samples and open lung biopsy samples were collected from autopsy material from 12 former amosite asbestos workers and ten persons from the general population. Tissue evaluation included (1…
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Medical study · Medical research · 2004
Asbestos and the pleura: a review
…the evidence indicated plaques do not increase cancer risk, though this was far from a universal view. They reported general agreement that diffuse pleural thickening can cause significant restrictive ventilatory impairment. For mesothelioma, they reviewed incidence…
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Medical study · Medical research · 1997
The role of cytologic evaluation of pleural fluid in the diagnosis of malignant mesothelioma
…cytologic slides of patients with pleural MM were reviewed. Medical records were reviewed from two institutions: a large general hospital and a cancer hospital. Twenty-nine patients ranging in age from 32 to 81 years (mean…
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Medical study · Medical research · 1994
Spirometric impairments in long-term insulators. Relationships to duration of exposure, smoking, and radiographic abnormalities
…and reduced FEV1/FVC are both more frequent in insulators who have smoked (compared with NS insulators or smokers in the general population) suggests an interaction between asbestos and smoking in producing both these physiologic abnormalities.