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Träfflista för sökning "WFRF:(Westerberg Göran) srt2:(1990-1999)"

Search: WFRF:(Westerberg Göran) > (1990-1999)

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  • Badala, A, et al. (author)
  • Subthreshold production of low momentum K+ in p+C at 1.2 GeV
  • 1998
  • In: PHYSICAL REVIEW LETTERS. - : AMERICAN PHYSICAL SOC. - 0031-9007. ; 80:22, s. 4863-4866
  • Journal article (peer-reviewed)abstract
    • The double differential cross section of low momentum kaons (less than or equal to 0.3 GeV/c) from p + C collisions at subthreshold bombarding energies has been for the first time measured by the use of the CLAMSUD magnetic spectrometer installed at the C
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  • Elmer, R, et al. (author)
  • K+ emission in symmetric heavy ion reactions at subthreshold energies
  • 1996
  • In: PHYSICAL REVIEW LETTERS. - : AMER INST PHYSICS. ; 77:24, s. 4884-4886
  • Journal article (peer-reviewed)abstract
    • Subthreshold K+ production cross sections have been measured in symmetric Ne + NaF, Ni + Ni, and Au + Au collisions at 1.0A GeV. The mass dependence is strong, close to A(2). The angular distributions are nonisotropic in the center-of-mass system. Introdu
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  • Hellman, Per, et al. (author)
  • Positron emission tomography with 11C-methionine in hyperparathyroidism
  • 1994
  • In: Surgery. - 0039-6060 .- 1532-7361. ; 116:6, s. 974-981
  • Journal article (peer-reviewed)abstract
    • BACKGROUND: Positron emission tomography (PET) has not been evaluated for preoperative localization and functional characterization of the parathyroid tissue in hyperparathyroidism. METHODS: Images of the neck and upper mediastinum of 23 patients with hyperparathyroidism were obtained by PET after intravenous administration of 400 to 800 MBq L-[methyl-11C]-methionine. The investigation was repeated in six patients after Na2-ethylenediamine tetraacetic acid infusion, whereby stable 65% to 157% rise in intact serum parathyroid hormone values was attained. RESULTS: Parathyroid surgical procedure revealed single (21 patients) or two enlarged parathyroid glands (two patients) that were characterized as chief cell adenoma (n = 13), hyperplasia (n = 10), or carcinoma (n = 2) and weighed 80 to 6000 mg. Twenty (80%) of these glands were localized by PET. The remaining examinations (20%) were false negative and mainly encompassed small parathyroids in juxtathyroid position. Among 15 patients undergoing parathyroid reoperation true-positive localizations were obtained for 87% of the glands. The images displayed lower tracer uptake in residual thyroid lobes (n = 40), esophagus, and cervical vertebrae. Na2-ethylenediamine tetraacetic acid infusion failed to enhance parathyroid uptake values. Ultrasonography, computed tomography, technetium-thallium scintigraphy, and venous sampling revealed 25% to 53% of the pathologic parathyroid tissues of the patients undergoing reoperation and was largely complementary to PET. CONCLUSIONS: The results suggest that PET may provide novel possibilities for the imaging of pathologic parathyroid glands in hyperparathyroidism.
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  • Result 1-10 of 13

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