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Fisher AJ, Paulson EK, Kliewer MA et al. Doppler sonography of the portal vein and hepatic artery: measurement of a prandial effect in healthy subjects. Radiology 1998; 207:711-715

Sheafor DH, Keogan MT, DeLong DM, Nelson RC. Dynamic helical CT of the abdomen: prospective comparison of pre- and postprandial contrast enhancement. Radiology 1998; 206:359-363
Kim T, Murakami T, Takahashi S et al. Effects of injection rates of contrast material on arterial phase hepatic CT. AJR 1998;171:429-432
Schweiger GD, Chang PJ, Brown BP. Optimizing contrast enhancement during helical CT of the liver: a comparison of two bolus tracking techniques. AJR 1998;171:1551-1558
Paulson EK, Fisher AJ, DeLong DM et al. Helical liver CT with computer-assisted bolus-tracking technology: is it possible to predict which patients will not achieve a threshold of enhancement? Radiology 1998; 209:787-792
Sheporaitis L, Freeny PC. Hepatic and portal surface veins: a new anatomic variant revealed during abdominal CT. AJR 1998;171:1559-1564
Kanematsu M, Kondo H, Enya M et al. Nondiseased portal perfusion defects adjacent to the right ribs shown on helical CT during arterial portography AJR 1998;171:445-448
Scharf J, Hoffmann V, Lehnert T et al. Pseudolesions at T1-weighted gradient-echo imaging after administration of superparamagnetic iron oxide: comparison with portal perfusion abnormalities at CT during arterial portography. Radiology 1998; 207:67-72
Jacobs JE, Birnbaum BA, Shapiro MA et al. Diagnostic criteria for fatty infiltration of the liver on contrast-enhanced helical CT. AJR 1998;171:659-664
Johnston RJ, Stamm ER, Lewin JM et al. Diagnosis of fatty infiltration of the liver on contrast enhanced CT: limitations of liver-minus-spleen attenuation difference measurements. Abdom Imaging 23:409-415(1998)
Grossholz M, Terrier F, Rubbia L et al. Focal sparing in the fatty liver as a sign of an adjacent space-occupying lesion. AJR 1998;171:1391-1395
Lafortune M, Matricardi L, Denys A et al. Segment 4 (the quadrate lobe): a barometer of cirrhotic liver disease at US. Radiology 1998; 206:157-160
Ito K, Mitchell DG, Hann HL et al. Progressive viral-induced cirrhosis: serial MR imaging findings and clinical correlation. Radiology 1998; 207:729-735
Komatsuda T, Ishida H, Konno K et al. Color Doppler findings of gastrointestinal varices. Abdom Imaging 1998;23:45-50
Ishida H, Konno K, Hamashima Y et al. Small bowel varices: report of two cases. Abdom Imaging 1998;23:354-357
Kim TK, Choi BI, Han JK et al. Nontumorous arterioportal shunt mimicking hypervascular tumor in cirrhotic liver: two-phase spiral CT findings. Radiology 1998; 208:597-603
Larcos G, Sorokopud H, Berry G et al. Sonographic screening for hepatocellular carcinoma in patients with chronic hepatitis or cirrhosis: an evaluation. AJR 1998;171:433-435
Yu J, Kim M, Kim K et al. Hepatic cavernous haemangioma: sonographic patterns and speed of contrast enhancement on multiphase dynamic MR imaging. AJR 1998;171:1021-1025
Jang H, Choi B, Kim T et al. Atypical small hemangiomas of the liver: ”bright dot” sign at two-phase spiral CT. Radiology 1998; 208:543-548
Young L, Yang W, Chan K et al. Hepatic hemangioma: quantitative color power US angiography – facts and fallacies. Radiology 1998; 207:51-57
Martín J, Puig J, Falcó J et al. Hyperechoic liver nodules: characterization with proton fat-water chemical shift MR imaging. Radiology 1998; 207:325-330
Koito K, Namieno T, Morita K. Differential diagnosis of small hepatocellular carcinoma and adenomatous hyperplasia with power Doppler sonography. AJR 1998;170:157-161
Nakayama M, Kamura T, Kimura M et al. Quantitative MRI of hepatocellular carcinoma in cirrhotic and noncirrhotic livers. Clinical Imaging 1998;22:280-283
Ueda K, Matsui O, Kawamori Y et al. Hypervascular hepatocellular carcinoma: evaluation of hemodynamics with dynamic CT during hepatic arteriography. Radiology 1998; 206:161-166
Yu J-S, Kim KW, Lee JT, Yoo HS. MR imaging during arterial portography for assessment os hepatocellular carcinoma: comparison with CT during arterial portography. AJR 1998;170:1501-1506
Ueda K, Matsui O, Kawamori Y et al. Differentiation of hypervascular hepatic pseudolesions from hepatocellular carcinoma: value of single-level dynamic CT during hepatic arteriography. J Comput Assist Tomogr 1998;22(5):703-708
Inoue E, Fujita M, Hosomi N et al. Double phase CT arteriographia of the whole liver in the evaluation of hepatic tumors. J Comput Assist Tomogr 1998;22(1):64-68
Hann LE, Schwartz LH, Panicek DM et al. Tumor involvement in hepatic veins: comparison of MR imaging and US for preoperative assessment. Radiology 1998; 206:651-656
Ichikawa T, Haradome H, Hachiya J et al. Characterization of hepatic lesions by perfusion-weighted MR imaging with an echoplanar sequence. AJR 1998;170:1029-1034
Misri H, Pöckler-Schöniger C, Gaa J et al. Ultraschnelle kontrastverstärkte 3D-MR-Angiographie in der präoperativen Diagnostik von Lebertumoren. Fortschr Röntgenstr 1998;169(3):278-283
Gebel M, Caselitz M, Bowen-Davies PE, Weber S. A multicenter, prospective, open label,
randomized, controlled pase IIIb study of SH U 508 A (Levovist) for Doppler signal
enhancement in the portal vascular system. Ultraschall Med. 1998;19:148-156
Kim AZ, Choi BI, Kim TK et al. Hepatocellular carcinoma: power Doppler US with a contrast agent – preliminary results. Radiology 1998; 209:135-140
Strunk H, Stuckmann G, Fröhlich E et al. Native und signalverstärkte Power-Doppler-Sonographie zur Charakterisierung von Leberherden. Fortschr Röntgenstr 1998;168(4):344-351
Bartolozzi C, Lencioni R, Ricci P et al. Hepatocellular carcinoma treatmentwith percutaneous ethanol injection: evaluation with contrast-enhanced color Doppler US. Radiology 1998; 209:387-393
Steger W, Vogl TJ, Hosten N et al. Dopplersonographische Verlaufskontrolle der Perfusion hepatozellulärer Karzinome nach arterieller Chemoembolisation. Fortschr Röntgenstr 1998;168(1):49-56
Fürst G, Malms J, Heyer Th et al. Transjugular intrahepatic portosystemic shunts: improved evaluation with echo-enhanced color Doppler sonography, power Doppler sonography, and spectral duplex sonography. AJR 1998;170:1047-1054
Uggowitzer MM, Kugler Ch, Machan L et al. Value of echo-enhanced Doppler sonography in evaluation of transjugular intrahepatic portosystemic shunts. AJR 1998;170:1041-1046
Venz S, Gutberlet M, Eisele RM et al. Diagnostik und Darstellung der A. hepatica nach orthotoper Lebertransplantation – Vergleich von frequenzmodulierter und amplitudenmodulierter Farb-Doppler-Sonographie. Fortschr Röntgenstr 1998;169(3):284-289
Nishiharu T, Yamashita Y, Arakawa A et al. Sonographic comparison of intraarterial CO2 and
helium microbubbles for detection of hepatocellular carcinoma: preliminary observations. Radiology 1998; 206:767-771
Gonzalez-Tutor A, García-Valtuille R, Cerezal L et al. Transjugular biopsy of the liver with an automated device. Acta Radiol 1998;39:686-689
Rofsky NM, Yang BM, Schlossberg P et al. MR-guided needle aspiration biopsies of hepatic masses using a closed bore magnet. J Comput Assist Tomogr 1998;22(4):633-637
Tucker De Santis J, Nahum Goldberg S, Mueller PR. Percutaneous treatment of hepatic neoplasms: a review of current techniques. Cardiovasc Intervent Radiol 1998;21:273-296 Lencioni R, Paolicchi A, Moretti M et al. Combined transcatheter arterial chemoembolization and percutaneous ethanol injection for the treatment of large hepatocellular carcinoma: local therapeutic effect and long-term survival rate. Eur Radiol 1998;8:439-444
Imamura M, Shiratori Y, Sato S et al. Percutaneous hepatic infarction therapy for hepatocellular carcinoma. AJR 1998;171:1031-1035
Vogl ThJ, Mack MG, Roggan A et al. Internally cooled power laser for MR-guided interstitial laser-induced thermotherapy of liver lesions: initial clinical results. Radiology 1998;209:381-385 Goldberg SN, Solbiati L, Hahn PF et al. Large-volume tissue ablation with radio frequency by using a clustered, internally cooled electrode technique: laboratory and clinical experience in liver metastases. Radiology 1998;209:371-379
Rossi S, Buscarini E, Garbagnati F et al. Percutaneous treatment of small hepatic tumors by an expandable RF needle electrode. AJR 1998;170:1015-1022
Lencioni R, Goletti O, Armillotta N et al. Radio-frequency thermal ablation of liver metastases with a cooled-tip electrode needle: results of a pilot clinical trial. Eur Radiol 1998;8:1205-1211