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  • 99mTc-Sn-N-pyridoxyl-5-methyltryptophan  (2)
  • 42.50.-p  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Concentration of 99mTc-Sn-N-pyridoxyl-5-methyltryptophan, a biliary agent, in distant metastases of hepatomas (1985)
    Springer
    European journal of nuclear medicine 10 (1985), S. 255-258 
    Details
    ISSN: 1619-7089
    Keywords: 99mTc-Sn-N-pyridoxyl-5-methyltryptophan ; Hepatobiliary agent ; Metastasis of hepatoma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract During the last 2 years, eight patients with hepatocellular carcinoma who were suspected of having distant metastases have been studied to determine whether a new biliary agent, 99mTc-Sn-N-pyridoxyl-5-methyltryptophan (99mTc-PMT), is taken up by extrahepatic tumors. In all eight patients, scintigrams showed a clearly increased uptake of 99mTc-PMT radioactivity by the extrahepatic tumors. In contrast, an increased uptake by the tumors of gallium citrate Ga 67 was only detected in four of the seven patients examined. The results obtained in this study suggest that 99mTc-PMT is useful both for characterizing the nature of extrahepatic tumors in patients with hepatoma and for detecting the metastases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00254470
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Comparison of delayed hepatobiliary imaging using 99mTc-Sn-N-pyridoxyl-5-methyltryptophan and 67Ga-citrate imaging for diagnosis of hepatocellular carcinoma (1988)
    Springer
    European journal of nuclear medicine 14 (1988), S. 414-418 
    Details
    ISSN: 1619-7089
    Keywords: Hepatoma ; 99mTc-Sn-N-pyridoxyl-5-methyltryptophan ; 67Ga-citrate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Images were obtained both with a biliary agent, 99mTc-Sn-N-pyridoxyl-5-methyltryptophan (99mTc-PMT), and with 67Ga-citrate in 40 cases of hepatocellular carcinoma and in 43 cases of other hepatic diseases and results were compared. Positive results were obtained by delayed 99mTc-PMT imaging in 25 (63%) of 40 cases of hepatoma: the hepatic tumor showed increased uptake in 18 cases (45%) and equilibrated uptake in 7 cases (18%). Positive 67Ga-citrate imaging was found in 28 (70%) of the 40 cases of hepatoma: increased uptake was seen in 24 cases (60%) and equilibrated uptake in 4 cases (10%). Of 15 cases of hepatoma giving negative results in the 99mTc-PMT study, 7 cases (47%) took up 67Ga-citrate, and 6 of these showed increased 67Ga-citrate uptake by the hepatic tumors. A certain relation existed between the degree of histological differentiation of hepatomas and the intensity of 99mTc-PMT uptake by those tumors, while such a histological correlation was denied for 67Ga-citrate uptake by the tumors. Delayed 99mTc-PMT imaging is preferable to 67Ga-citrate imaging for increasing the specificity of diagnosis of hepatoma. 67Ga-citrate should be used in those cases that do not give positive results with 99mTc-PMT.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00254396
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Mixture of two interfering beams in an X-ray interferometry (1994)
    Springer
    The European physical journal 93 (1994), S. 133-139 
    Details
    ISSN: 1434-6036
    Keywords: 42.50.-p ; 07.80.+y
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A mixture consisting of completely interfering and non-interfering beams, or completely interfering and partly interfering beams in an X-ray interferometer is studied. X-ray interferometric experiments on the mixture of blocked/non-blocked beams and attenuated/non-attenuated beams showed good agreements with the calculations. A new parameter of the mixing ratio as well as the phase difference of the oscillations are introduced in the representation of the wave field. Poincaré sphere descriptions are also presented.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01316953
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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