[X-ray computed tomography of pulmonary metastases of an osteogenic sarcoma].
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Biomedical subjects
Publications and source records attributed to G Kuhn.
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Studies on the mould infection of nearly 900 food samples, performed by means of the screening test according to de Vogel et al. [2], showed that the occurrence of aflatoxin-forming moulds must be considered mainly with peanuts and other seeds, but also with any other food. From this point of view, all measures against mould growth in foods are of special importance.
Separately and simultaneously occurring disorders in thyroid and adrenal functional circuits were recorded from 218 land race pigs, 01 line, in several experiments, in the GDR. No detrimental impact on post mortem pork quality was found to have been caused by disorders in each one of the two circuits separately, but measurable defects were established, following malfunction of both circuits. Also studied were consequences of disorders on the hormonal and cardiovascular systems as well as on fattening and slaughter performance.
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Gas chromatographic methodologies were developed for the analysis of microencapsulated trichloroethylene (TRI) in corn oil and feed dosage formulations as well as neat TRI in corn oil and whole blood. Recovery, precision, linearity, and the appropriateness of a linear regression model were evaluated for each method. In all cases recovery was greater than 96% and linearity of the standard curves was confirmed. Good precision and chromatographic resolution were obtained for all samples analyzed.
One hundred fifty-three patients with bronchogenic carcinoma were evaluated prospectively by CT and mediastinoscopy. Nodes larger than 5 mm were considered potentially metastatic. All results were correlated with surgical findings. Computed tomography is more sensitive (89%) in the detection of mediastinal metastases than mediastinoscopy (67%). Computed tomography has a poor predictive value (47%); however, a negative examination is highly accurate (89%). Within a group of 100 node sites, 72% of the nodes involved by tumor were larger than 1 cm in diameter. Squamous cell carcinoma and adenocarcinoma have the highest percentages of sensitivity by CT. The very low incidence of metastatic involvement in nodes under 5 mm allows one to forego mediastinoscopy in the presence of a negative CT.
A case of seminal vesicle cyst is reported. Magnetic resonance (M.R.) appearance of the seminal vesicle cyst is described first. A brief review of the literature for seminal vesicle cysts is made. New imaging modalities (ultrasound, C.T. scan an M.R.) are illustrated, their role is discussed.
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To assess the attitudes of health care professionals in West Virginia about cancer pain, we utilized an 11-item questionnaire developed by DeWiessman and T.L. Dahl. We administered this questionnaire to 727 health care professionals and chi-square tests were used to assess correlations between attitudes on cancer pain and demographic characteristics (e.g. age, family history of cancer, sex, etc.). The majority of respondents believed that greater than 60% of cancer patients experience pain and that most patients were undermedicated with respect to pain. Age and having a family member with cancer were the major factors affecting attitudes. Respondents less than 46 years old compared to those 46 or older, were more likely to believe that most cancer patients were undermedicated; that addiction to narcotics is rare; and that the patient is the best judge of cancer pain intensity. Respondents with a family member with cancer were less likely to be concerned about addiction if a family member is given morphine. We conclude that educational efforts should be directed at altering attitudes regarding cancer pain in individuals age 46 years or older and those without a family history of cancer.