Tomoaki Ichikawa

Author PubWeight™ 55.81‹?›

Top papers

Rank Title Journal Year PubWeight™‹?›
1 Diffusion-weighted MR imaging in the evaluation of pancreatic exocrine function before and after secretin stimulation. Am J Gastroenterol 2006 1.50
2 Liver stiffness measured by magnetic resonance elastography as a risk factor for hepatocellular carcinoma: a preliminary case-control study. Eur Radiol 2012 1.45
3 Imaging study of early hepatocellular carcinoma: usefulness of gadoxetic acid-enhanced MR imaging. Radiology 2011 1.43
4 Depiction of normal gastrointestinal anatomy with MDCT: comparison of low- and high-attenuation oral contrast media. Eur J Radiol 2007 1.43
5 Liver parenchymal enhancement of hepatocyte-phase images in Gd-EOB-DTPA-enhanced MR imaging: which biological markers of the liver function affect the enhancement? J Magn Reson Imaging 2009 1.35
6 Distinguishing hypervascular pseudolesions of the liver from hypervascular hepatocellular carcinomas with gadoxetic acid-enhanced MR imaging. Radiology 2010 1.29
7 Diagnosis of colorectal hepatic metastases: comparison of contrast-enhanced CT, contrast-enhanced US, superparamagnetic iron oxide-enhanced MRI, and gadoxetic acid-enhanced MRI. J Magn Reson Imaging 2011 1.26
8 High-b-value diffusion-weighted MR imaging of hepatocellular lesions: estimation of grade of malignancy of hepatocellular carcinoma. J Magn Reson Imaging 2009 1.18
9 Dynamic CT for detecting small hepatocellular carcinoma: usefulness of delayed phase imaging. AJR Am J Roentgenol 2007 1.17
10 Cholangiolocellular carcinoma of the liver: imaging findings. J Comput Assist Tomogr 2009 1.11
11 Outcome of hypovascular hepatic nodules revealing no gadoxetic acid uptake in patients with chronic liver disease. J Magn Reson Imaging 2011 1.08
12 Magnetic resonance elastography for staging liver fibrosis in chronic hepatitis C. Magn Reson Med Sci 2012 1.08
13 The pearl necklace sign: an imaging sign of adenomyomatosis of the gallbladder at MR cholangiopancreatography. Radiology 2003 1.06
14 Additional value of gadoxetic acid-DTPA-enhanced hepatobiliary phase MR imaging in the diagnosis of early-stage hepatocellular carcinoma: comparison with dynamic triple-phase multidetector CT imaging. J Magn Reson Imaging 2011 1.04
15 Detection of pancreatic carcinoma and liver metastases with gadoxetic acid-enhanced MR imaging: comparison with contrast-enhanced multi-detector row CT. Radiology 2011 0.98
16 Double-dose gadoxetic Acid-enhanced magnetic resonance imaging in patients with chronic liver disease. Invest Radiol 2011 0.98
17 Delay before the hepatocyte phase of Gd-EOB-DTPA-enhanced MR imaging: is it possible to shorten the examination time? Eur Radiol 2009 0.97
18 Mass-forming autoimmune pancreatitis and pancreatic carcinoma: differential diagnosis on the basis of computed tomography and magnetic resonance cholangiopancreatography, and diffusion-weighted imaging findings. J Magn Reson Imaging 2011 0.94
19 Relationship between maximum standardized uptake value (SUVmax) of lung cancer and lymph node metastasis on FDG-PET. Ann Nucl Med 2009 0.93
20 Magnetic resonance elastography of the liver: preliminary results and estimation of inter-rater reliability. Jpn J Radiol 2010 0.91
21 Cross-validation of MR elastography and ultrasound transient elastography in liver stiffness measurement: discrepancy in the results of cirrhotic liver. J Magn Reson Imaging 2011 0.91
22 Diagnosis of peritoneal dissemination: comparison of 18F-FDG PET/CT, diffusion-weighted MRI, and contrast-enhanced MDCT. AJR Am J Roentgenol 2011 0.90
23 Secretin-stimulating MRCP in patients with pancreatobiliary maljunction and occult pancreatobiliary reflux: direct demonstration of pancreatobiliary reflux. Eur Radiol 2007 0.90
24 Intravoxel incoherent motion imaging of focal hepatic lesions. J Magn Reson Imaging 2012 0.90
25 Intravoxel incoherent motion imaging of the kidney: alterations in diffusion and perfusion in patients with renal dysfunction. Magn Reson Imaging 2012 0.90
26 Hepatitis activity should be considered a confounder of liver stiffness measured with MR elastography. J Magn Reson Imaging 2014 0.89
27 Multi-organ perfusion CT in the abdomen using a 320-detector row CT scanner: preliminary results of perfusion changes in the liver, spleen, and pancreas of cirrhotic patients. Eur J Radiol 2012 0.88
28 PET imaging for evaluation of metastatic colorectal cancer of the liver. Eur J Radiol 2006 0.87
29 Imaging of small hepatic metastases of colorectal carcinoma: how to use superparamagnetic iron oxide-enhanced magnetic resonance imaging in the multidetector-row computed tomography age? J Comput Assist Tomogr 2009 0.86
30 Diffusion-weighted magnetic resonance imaging for characterization of focal liver masses: impact of parallel imaging (SENSE) and b value. J Comput Assist Tomogr 2009 0.86
31 Detection of hypervascular hepatocellular carcinoma with multidetector-row CT: single arterial-phase imaging with computer-assisted automatic bolus-tracking technique compared with double arterial-phase imaging. J Comput Assist Tomogr 2008 0.85
32 Distinguishing hepatic metastasis from hemangioma using gadoxetic acid-enhanced magnetic resonance imaging. Invest Radiol 2011 0.85
33 Small invasive ductal adenocarcinoma of the pancreas associated with lymphoplasmacytic sclerosing pancreatitis. Pathol Int 2009 0.85
34 Hepatocellular carcinoma risk assessment using gadoxetic acid-enhanced hepatocyte phase magnetic resonance imaging. Hepatol Res 2014 0.84
35 Acoustic radiation force impulse elastography of the liver: can fat deposition in the liver affect the measurement of liver stiffness? Jpn J Radiol 2011 0.84
36 Staging liver fibrosis by using liver-enhancement ratio of gadoxetic acid-enhanced MR imaging: comparison with aspartate aminotransferase-to-platelet ratio index. Magn Reson Imaging 2011 0.84
37 Role of gadolinium-ethoxybenzyl-diethylenetriamine pentaacetic acid-enhanced magnetic resonance imaging in the management of hepatocellular carcinoma: consensus at the Symposium of the 48th Annual Meeting of the Liver Cancer Study Group of Japan. Oncology 2013 0.84
38 Presence of a hypovascular hepatic nodule showing hypointensity on hepatocyte-phase image is a risk factor for hypervascular hepatocellular carcinoma. J Magn Reson Imaging 2013 0.84
39 Association of splenic MR elastographic findings with gastroesophageal varices in patients with chronic liver disease. J Magn Reson Imaging 2013 0.83
40 Dilution method of gadolinium ethoxybenzyl diethylenetriaminepentaacetic acid (Gd-EOB-DTPA)-enhanced magnetic resonance imaging (MRI). J Magn Reson Imaging 2009 0.82
41 Thin-section CT of the mediastinum in preoperative N-staging of non-small cell lung cancer: comparison with FDG PET. Eur J Radiol 2009 0.82
42 Ferumoxides-enhanced double-echo T2-weighted MR imaging in differentiating metastases from nonsolid benign lesions of the liver. Radiology 2002 0.81
43 [Improving diffusion-weighted imaging of liver with SENSE technique: a preliminary study]. Nihon Igaku Hoshasen Gakkai Zasshi 2003 0.81
44 Whole-body total lesion glycolysis measured on fluorodeoxyglucose positron emission tomography/computed tomography as a prognostic variable in metastatic breast cancer. BMC Cancer 2014 0.81
45 Early hepatocellular carcinomas showing isointensity or hyperintensity in gadoxetic acid-enhanced, hepatocyte-phase magnetic resonance images. J Comput Assist Tomogr 2013 0.80
46 MR-based measurements of portal vein flow and liver stiffness for predicting gastroesophageal varices. Magn Reson Med Sci 2013 0.80
47 Pancreatic adenocarcinoma: MDCT versus MRI in the detection and assessment of locoregional extension. J Comput Assist Tomogr 2006 0.79
48 Imaging studies of intraductal tubulopapillary neoplasms of the pancreas: 2-tone duct sign and cork-of-wine-bottle sign as indicators of intraductal tumor growth. J Comput Assist Tomogr 2012 0.79
49 Computed tomography (CT) venography with dual-energy CT: low tube voltage and dose reduction of contrast medium for detection of deep vein thrombosis. J Comput Assist Tomogr 2014 0.79
50 Diffusion- and T₂-weighted MR imaging of the liver: effect of intravenous administration of gadoxetic acid disodium. Magn Reson Med Sci 2012 0.79
51 Added Value of a Gadoxetic Acid-enhanced Hepatocyte-phase Image to the LI-RADS System for Diagnosing Hepatocellular Carcinoma. Magn Reson Med Sci 2015 0.79
52 Bayesian prediction for liver fibrosis staging: combined use of elastography and serum fibrosis markers. Hepatology 2013 0.79
53 Typical fibrolamellar hepatocellular carcinoma in a Japanese boy: report of a case. Surg Today 2013 0.78
54 Validity and Reliability of Magnetic Resonance Elastography for Staging Hepatic Fibrosis in Patients with Chronic Hepatitis B. Magn Reson Med Sci 2015 0.78
55 Epidermoid cyst in intrapancreatic accessory spleen: radiological findings including superparamagnetic iron oxide-enhanced magnetic resonance imaging. J Comput Assist Tomogr 2010 0.78
56 Rules, roles, and room for discussion in gadoxetic acid-enhanced magnetic resonance liver imaging: current knowledge and future challenges. Magn Reson Med Sci 2013 0.78
57 Calibrated magnetic resonance hydrometry to quantify pancreatic juice: a preliminary study. J Magn Reson Imaging 2009 0.77
58 [Dose investigation of superparamagnetic iron oxide (SPIO) SH U 555 A in liver MR imaging]. Nihon Igaku Hoshasen Gakkai Zasshi 2003 0.77
59 Effects of gadoxetic acid on liver elasticity measurement by using magnetic resonance elastography. Magn Reson Imaging 2011 0.77
60 Diagnosis of colorectal hepatic metastases: Contrast-enhanced ultrasonography versus contrast-enhanced computed tomography versus superparamagnetic iron oxide-enhanced magnetic resonance imaging with diffusion-weighted imaging. J Magn Reson Imaging 2010 0.76
61 Radiology contributes to better cytological diagnosis of lung tumors. Lung Cancer 2009 0.76
62 The efficacy of contrast protocol in hepatic dynamic computed tomography: multicenter prospective study in community hospitals. Springerplus 2013 0.75
63 [New diagnostic imaging for navigation surgery]. Nihon Geka Gakkai Zasshi 2008 0.75
64 [Secretin-stimulating MRCP: the diagnosis of pancreaticobiliary reflux]. Nihon Igaku Hoshasen Gakkai Zasshi 2003 0.75
65 Endoscopic mucosal resection of a rectal malakoplakia in a healthy adult. Dig Endosc 2013 0.75
66 Comparison of true FISP with turbo SE in ovarian imaging. Magn Reson Med Sci 2004 0.75
67 Localized nasopharyngeal amyloidosis with remarkable early enhancement on dynamic contrast-enhanced MR imaging. Eur Radiol 2006 0.75
68 [Multicenter trial for optimization of bolus tracking settings and contrast material injection protocol in arterial dominant phase of dynamic computed tomography for diagnosis of hepatocellular carcinoma]. Nihon Hoshasen Gijutsu Gakkai Zasshi 2014 0.75
69 [Follow-up dynamic CT study for hypovascular nodules in patients with cirrhotic liver]. Nihon Igaku Hoshasen Gakkai Zasshi 2004 0.75
70 Magnetic resonance elastography as a predictor of insufficient liver enhancement on gadoxetic acid-enhanced hepatocyte-phase magnetic resonance imaging in patients with type C hepatitis and Child-Pugh class A disease. Invest Radiol 2012 0.75