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  • 1
    ISSN: 1432-0509
    Keywords: Key words: Computed tomography during arterial portography (CTAP)—Arterioportal venous shunts—Hepatocellular carcinoma—Pseudolesion—Balloon occlusion—Hepatic artery.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: Computed tomography during arterial portography (CTAP) under temporary balloon occlusion of the hepatic artery (BOHA-CTAP) was introduced to evaluate pseudolesions caused by portal venous impairments such as arterioportal shunt and tumor thrombus. Methods: BOHA-CTAP was performed in seven patients with hepatocellular carcinoma and correlated with clinical outcomes. For patients with wedge-shaped defects suggestive of pseudolesions, BOHA-CTAP was obtained by a 5-F balloon occlusion catheter into the proper hepatic artery through the second 5-F introducer inserted into the common femoral artery a few centimeters below the first 5-F sheath for CTAP. Results: Eight pseudolesions were determined clinically on follow-up CT, ultrasonography, or magnetic resonance imagings. On BOHA-CTAP, five of the eight pseudolesions were eliminated, and two were diminished in comparision with conventional CTAP. One wedge-shaped defect due to tumor thrombus in the portal vein did not show any change. Conclusion: BOHA-CTAP can reduce pseudolesions caused by portal venous impairments and enable the demarcation of the true tumors. RID="" ID="" 〈E5〉Correspondence to:〈/E5〉 J. Koizumi
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    European radiology 5 (1995), S. S58 
    ISSN: 1432-1084
    Keywords: Urography ; Iotrolan ; Iopamidol ; Non-ionic contrast agents
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A multicenter study was carried out to compare iotrolan 280, a non-ionic, dimeric water-soluble contrast agent, with iopamidol 300 a non-ionic, monomeric agent, to assess visualization, safety and clinical benefit in intravenous urography. Both iotrolan and iopamidol showed a high rate of effective visualization. Iotrolan was significantly better than iopamidol in visualizing the renal pelvis. Adverse reactions did not differ significantly between the two contrast agents, and no severe reactions developed. Both contrast agents were clinically valuable in over 95% of patients. There was no significant difference between the two patient groups in clinical benefit. Iotrolan has been demonstrated to be clinically comparable to iopamidol and is thus very suitable for use in intravenous urography.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Advances in Space Research 14 (1994), S. 133-136 
    ISSN: 0273-1177
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Type of Medium: Electronic Resource
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