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  • 1
    Electronic Resource
    Electronic Resource
    MR imaging of mixed hepatocellular and cholangiocellular carcinoma (1994)
    Springer
    Abdominal imaging 19 (1994), S. 430-432 
    Details
    ISSN: 1432-0509
    Keywords: Mixed hepatocellular and cholangiocellular, carcinoma ; MR imaging ; Dynamic MR imaging-Histopathologic study
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Two patients with mixed hepatocellular and cholangiocellular carcinoma underwent partial hepatectomy after magnetic resonance (MR) imaging. Correlation is made with the histopathologic manifestations. In both cases the tumors showed relative low signal intensities on T1-weighted spin-echo (SE) images and high signal intensities on T2-weighted SE images. Dynamic MR imaging showed the enhancement from the periphery of the tumor to the inner area gradually and the enhancement continued into the delayed phase. With both cases fibrosis was marked in the inner area of the tumor compared to the peripheral area. The extent and degree of fibrotic tissue is considered to reflect the enhancement on dynamic MR imaging.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00206932
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Optimal phases of dynamic CT for detecting hepatocellular carcinoma: evaluation of unenhanced and triple-phase images (1999)
    Springer
    Abdominal imaging 24 (1999), S. 473-480 
    Details
    ISSN: 1432-0509
    Keywords: Key words: Liver, neoplasms—Computed tomography (CT)—Contrast media—Helical.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: To determine the optimal phases of dynamic computed tomography (CT) for detecting hepatocellular carcinoma (HCC). Methods: Fifty-two patients with 85 HCC nodules were examined by means of unenhanced and triple-phase CT images of the whole liver. The time for obtaining the arterial-phase images was 25–55 s after intravenous bolus injection of contrast material, the time for obtaining the portal venous-phase images was 65–100 s, and the time for obtaining late-phase images was 145 s to 4 min. Detectability of the HCC nodules for all phases was statistically compared. Results: The detection rates for the arterial- and late-phase images were significantly higher than for the unenhanced and portal venous-phase images (p 〈 0.01). The combination of arterial- and late-phase images showed the same number of HCC nodules in the same number of patients as did the combination of unenhanced and triple-phase images. Conclusion: The combination of the arterial- and late-phase imagings was best for detecting HCC nodules.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002619900543
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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