Katsuhide Ito

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Prospective versus retrospective ECG-gated 64-detector coronary CT angiography: assessment of image quality, stenosis, and radiation dose.

Nobuhiko Hirai, Jun Horiguchi, +7 authors Katsuhide Ito
Radiology
2008

PURPOSE To show that prospective electrocardiographically (ECG)-triggered coronary computed tomographic (CT) angiography (hereafter, prospective CT angiography) is at least as effective as… (More)

Accuracy of sonographic elastography in the differential diagnosis of enlarged cervical lymph nodes: comparison with conventional B-mode sonography.

Farzana Alam, Kumiko Naito, Jun Horiguchi, Hiroshi Fukuda, Toshihiro Tachikake, Katsuhide Ito
AJR. American journal of roentgenology
2008

OBJECTIVE The purpose of our study was to evaluate the diagnostic performance of sonographic elastography and B-mode sonography individually and combined in the differentiation of reactively and… (More)

Balloon-occluded retrograde transvenous obliteration of gastric fundal varices with hemorrhage.

Mikiya Kitamoto, Michio Imamura, +9 authors Kazuaki Chayama
AJR. American journal of roentgenology
2002

OBJECTIVE This study was performed to evaluate the clinical efficacy, feasibility, and complications of balloon-occluded retrograde transvenous obliteration for patients with hemorrhage from gastric… (More)

Comprehensive evaluation of noncalcified coronary plaque characteristics detected using 64-slice computed tomography in patients with proven or suspected coronary artery disease.

Toshiro Kitagawa, Hideya Yamamoto, +5 authors Nobuoki Kohno
American heart journal
2007

BACKGROUND Multislice computed tomography has recently been shown to have the potential to characterize noncalcified coronary atherosclerotic lesions (NCALs). We evaluated the relationship among… (More)

The long-term outcome of patients with bleeding gastric varices after balloon-occluded retrograde transvenous obliteration

Nobuhiko Hiraga, Hiroshi Aikata, +10 authors Kazuaki Chayama
Journal of Gastroenterology
2007

The purpose of our study was to evaluate the long-term outcome and complications of balloon-occluded retrograde transvenous obliteration (B-RTO) in patients with hemorrhage from gastric fundal… (More)

Radiofrequency Ablation Therapy Combined with Cementoplasty for Painful Bone Metastases: Initial Experience

Naoyuki Toyota, Akira Naito, +6 authors Katsuhide Ito
CardioVascular and Interventional Radiology
2004

The purpose of this study was to assess the efficacy and safety of percutaneous radiofrequency (RF) ablation therapy combined with cementoplasty under computed tomography and fluoroscopic guidance… (More)

Percutaneous radiofrequency ablation as first-line treatment for small hepatocellular carcinoma: results and prognostic factors on long-term follow up.

Koji Waki, Hiroshi Aikata, +7 authors Kazuaki Chayama
Journal of gastroenterology and hepatology
2010

BACKGROUND AND AIMS We evaluated the prognosis and associated factors in patients with small hepatocellular carcinoma (HCC; up to 3 nodules, each up to 3 cm in diameter) treated with percutaneous… (More)

Pretreatment predictor of response, time to progression, and survival to intraarterial 5-fluorouracil/interferon combination therapy in patients with advanced hepatocellular carcinoma

Kiminori Uka, Hiroshi Aikata, +7 authors Kazuaki Chayama
Journal of Gastroenterology
2007

Several studies have reported survival benefits of combination therapy with intraarterial 5-fluorouracil (5-FU) and subcutaneous interferon (IFN) α for advanced hepatocellular carcinoma (HCC) with… (More)

Radiation dose, image quality, stenosis measurement, and CT densitometry using ECG-triggered coronary 64-MDCT angiography: a phantom study.

Jun Horiguchi, Masao Kiguchi, +4 authors Katsuhide Ito
AJR. American journal of roentgenology
2008

OBJECTIVE The purpose of this study was to compare prospective ECG-triggered and retrospective ECG-gated coronary 64-MDCT angiography as to radiation dose, image quality, accuracy of stenosis… (More)

Soft and intermediate plaques in coronary arteries: how accurately can we measure CT attenuation using 64-MDCT?

Jun Horiguchi, Chikako Fujioka, +4 authors Katsuhide Ito
AJR. American journal of roentgenology
2007

OBJECTIVE The objective of this study was to validate the accuracy of 64-MDCT densitometry of soft and intermediate plaques. MATERIALS AND METHODS Acrylonitrile-butadiene-styrene resin (47 H) and… (More)

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