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  • 1985-1989  (4)
  • 1970-1974
  • 1987  (4)
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  • 1985-1989  (4)
  • 1970-1974
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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Langenbeck's archives of surgery 372 (1987), S. 868-869 
    ISSN: 1435-2451
    Keywords: Gastric cancer ; Radicality ; Frozen section ; Magencarcinom ; Radikalität ; Schnellschnittuntersuchung
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung 814 Patienten wurden nach der AJCC-R-Klassifikation als RO klassifiziert. In 109 (13,3%) Fällen ergab die definitive histologische Untersuchung Tumor im Resektionsrand. Die Häufigkeit befallener Resektionsränder korrelierte mit der Tumorlokalisation und stieg an beim Kardiacarcinom, bei Tumorbefall des Gesamtmagens und auch beim Tumortyp III und IV nach Borrmann. Die proximale Resektion hatte die schlechtesten Ergebnisse. Zunehmende Tumorentdifferenzierung und ungenügender Abstand zwischen Tumor und Resektionsrand steigerten die Residualtumorrate. Deshalb sind bei grossen, proximal lokalisierten, undifferenzierten Carcinomen Schnellschnittuntersuchungen empfehlenswert.
    Notes: Summary Using the AJCC-R classification, 814 patients were classified RO. In 109 (13.3%) cases, histologic examination definitely showed residual tumor at the surgical margins. The frequency with which the margins were involved correlated with the tumor location and increased if the cardia or entire stomach was involved, as well as for Borrmann type III and IV carcinomas. Proximal resection showed the poorest results. A reduction in tumor differentiation and insufficient surgical margins increase the occurrence rate of residual tumors. Therefore, frozen sections are recommended in large, proximally located, undifferentiated carcinomas.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1434-601X
    Keywords: 35.10.Di ; 21.10.Ft ; 21.10.Ky ; 27.60.+j
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The hyperfine structure splittings (hfs) and isotope shifts (IS) in the atomic transitions 5s 2 5p 2 1 S 0 → 5s 2 5p6s 1,3 P 1 have been measured for the radioactive isotopes108−111Sn and all stable ones. The tin isotopes were prepared as fast atomic beams for collinear laser spectroscopy at the GSI online mass separator following a fusion reaction. Nuclear spins, magnetic dipole, electric quadrupole moments and changes in mean square charge radii have been determined. In109Sn the spinI=5/2 was measured for the nuclear ground state (T 1/2=18 min) in contradiction to the literature value. The mean square charge radii show a parabolic behaviour with a maximum at N=66. This is interpreted by collective effects, which are considerably stronger than accounted for by theB(E2)-values.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1434-601X
    Keywords: 27.70.+ q
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract IrradiatingnatW/Ta targets with186W, the decay of the new isotope180Yb was observed and its half-life determined to be 2.4(5) min. Based on the measuredβ-,γ- and X-ray data, ther-process production of180mTa and the role of a possible isomer180mLu in this context are discussed.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The nuclear moments of195Pb and the change in the charge radii of192,194,195,196Pb have been determined from the isotope shift and hyperfine structure of the 723 nm line of neutral lead by collinear laser spectroscopy.
    Type of Medium: Electronic Resource
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