Search Results - "Ihara, Kenichiro"

Portal vein embolization via the ipsilateral percutaneous transhepatic approach versus laparotomic transileocecal approach: complications, profile and changes in future liver remnant volume by Okada, Munemasa, Ihara, Kenichiro, Miyoshi, Keisuke, Nakao, Sei, Tanabe, Masahiro, Tokumitsu, Yukio, Harada, Eijiro, Sakamoto, Kazuhiko, Nagano, Hiroaki, Ito, Katsuyoshi

“…Major liver resection is an effective treatment option for patients with liver malignancy. The future liver remnant (FLR) volume and complications after portal…”
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Transient respiratory motion artifacts in multiple arterial phases on abdominal dynamic magnetic resonance imaging: a comparison using gadoxetate disodium and gadobutrol by Tanabe, Masahiro, Higashi, Mayumi, Iida, Etsushi, Onoda, Hideko, Ihara, Kenichiro, Ariyoshi, Shoko, Kameda, Fumi, Miyoshi, Keisuke, Furukawa, Matakazu, Okada, Munemasa, Ito, Katsuyoshi

“…Purpose To compare the occurrence of transient respiratory motion artifacts (TRMAs) in multiple arterial phases on abdominal magnetic resonance (MR) images…”
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Hemodynamic changes of abdominal organs after CT colonography with transrectal administration of CO2: evaluation with early-phase contrast-enhanced dynamic CT by Ihara, Kenichiro, Onoda, Hideko, Tanabe, Masahiro, Kanki, Akihiko, Ito, Katsuyoshi

“…Purpose To evaluate the hemodynamic changes in the liver, pancreas, gastric mucosa and abdominal vessels in early-phase dynamic contrast-enhanced (DCE) CT…”
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Evaluation of diffusion-weighted magnetic resonance imaging of the rectal cancers: comparison between modified reduced field-of-view single-shot echo-planar imaging with tilted two-dimensional radiofrequency excitation pulses and conventional full field-of-view readout-segmented echo-planar imaging by Inoue, Atsuo, Tanabe, Masahiro, Ihara, Kenichiro, Hideura, Keiko, Higashi, Mayumi, Benkert, Thomas, Imai, Hiroshi, Yamane, Masatoshi, Yamaguchi, Takahiro, Ueda, Takaaki, Ito, Katsuyoshi

“…Purpose To evaluate the image quality qualitatively and quantitatively, as well as apparent diffusion coefficient (ADC) values of modified reduced…”
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Breath-hold High-resolution T1-weighted Gradient Echo Liver MR Imaging with Compressed Sensing Obtained during the Gadoxetic Acid-enhanced Hepatobiliary Phase: Image Quality and Lesion Visibility Compared with a Standard T1-weighted Sequence by Ihara, Kenichiro, Onoda, Hideko, Tanabe, Masahiro, Iida, Etsushi, Ueda, Takaaki, Kobayashi, Taiga, Higashi, Mayumi, Nickel, Marcel Dominik, Imai, Hiroshi, Ito, Katsuyoshi

“…Purpose: To evaluate the feasibility of breath-hold (BH) high-resolution (HR) T1-weighted gradient echo hepatobiliary phase (HBP) imaging using compressed…”
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Quantification of pancreas fat on dual-energy computed tomography: comparison with six-point Dixon magnetic resonance imaging by Kameda, Fumi, Tanabe, Masahiro, Onoda, Hideko, Higashi, Mayumi, Ariyoshi, Shoko, Ihara, Kenichiro, Iida, Etsushi, Furukawa, Matakazu, Okada, Munemasa, Ito, Katsuyoshi

“…Objectives Although it is important to quantify the degree of fatty degeneration of the pancreas, it is difficult to make such a quantification using…”
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Dual-Source Contrast-Enhanced Multiphasic CT of the Liver Using Low Voltage (70 kVp): Feasibility of a Reduced Radiation Dose and a 50% of Contrast Dose by Miyoshi, Keisuke, Tanabe, Masahiro, Ihara, Kenichiro, Tanabe, Masaya, Higashi, Mayumi, Narikiyo, Koji, Kawano, Yosuke, Inoue, Atsuo, Ito, Katsuyoshi

“…This study investigated the feasibility of both a reduced radiation dose and a 50% of contrast dose in multiphasic CT of the liver with a 70 kVp protocol…”
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Bile Flow Dynamics in Patients with Cholelithiasis: An Evaluation with Cine-Dynamic Magnetic Resonance Cholangiopancreatography Using a Spatially Selective Inversion-Recovery Pulse by Higashi, Mayumi, Tanabe, Masahiro, Ihara, Kenichiro, Iida, Etsushi, Furukawa, Matakazu, Ito, Katsuyoshi

“…A variety of pathophysiological changes in the biliary system occur in patients with cholelithiasis, but the changes in the bile flow dynamics in those…”
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Pancreatic Steatosis Evaluated by Automated Volumetric CT Fat Fraction of the Pancreas: Association with Severity in COVID-19 Pneumonia by Tanabe, Masahiro, Kunihiro, Yoshie, Higashi, Mayumi, Ihara, Kenichiro, Tanabe, Masaya, Yagi, Takeshi, Kobayashi, Taiga, Ueda, Takaaki, Ito, Katsuyoshi

“…This study investigated the relationship between the severity of pneumonia based on chest CT findings and that of pancreatic steatosis assessed using an…”
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Reduced Field‐of‐View Diffusion‐Weighted Magnetic Resonance Imaging of the Pancreas With Tilted Excitation Plane: A Preliminary Study by Tanabe, Masahiro, Higashi, Mayumi, Benkert, Thomas, Imai, Hiroshi, Miyoshi, Keisuke, Kameda, Fumi, Ariyoshi, Shoko, Ihara, Kenichiro, Ito, Katsuyoshi

“…Background Reduced field‐of‐view diffusion‐weighted imaging (rDWI) with tilted two‐dimensional radiofrequency (RF) excitation planes has not yet been applied…”
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Pancreatobiliary Flow Dynamics: Association Between Bile and Pancreatic Juice Evaluated With Cine‐Dynamic Magnetic Resonance Cholangiopancreatography Using Spatially Selective Inversion Recovery Pulse by Higashi, Mayumi, Tanabe, Masahiro, Ihara, Kenichiro, Iida, Etsushi, Furukawa, Matakazu, Okada, Munemasa, Ito, Katsuyoshi

“…Background The physiological flow patterns and the reciprocal relationship between pancreatic juice and bile excretion dynamics have not been clearly…”
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Application of deep learning techniques for breath-hold, high-precision T2-weighted magnetic resonance imaging of the abdomen by Tanabe, Masahiro, Kawano, Yosuke, Ihara, Kenichiro, Miyoshi, Keisuke, Ishii, Jo, Nomura, Kanako, Morooka, Ryoko, Higashi, Mayumi, Ito, Katsuyoshi

“…To evaluate the feasibility of a high-precision single-shot fast spin-echo (SS-FSE) sequence using the deep learning-based Precise IQ Engine (PIQE) algorithm…”
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Assessment of gastric wall structure using ultra-high-resolution computed tomography by Onoda, Hideko, Tanabe, Masahiro, Higashi, Mayumi, Kawano, Yosuke, Ihara, Kenichiro, Miyoshi, Keisuke, Ito, Katsuyoshi

“…To evaluate the image quality of ultra-high-resolution CT (U-HRCT) in the comparison among four different reconstruction methods, focusing on the gastric wall…”
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Image quality in three-dimensional (3D) contrast-enhanced dynamic magnetic resonance imaging of the abdomen using deep learning denoising technique: intraindividual comparison between T1-weighted sequences with compressed sensing and with a modified Fast 3D mode wheel by Tanabe, Masahiro, Kawano, Yosuke, Inoue, Atsuo, Miyoshi, Keisuke, Furutani, Haruki, Ihara, Kenichiro, Higashi, Mayumi, Ito, Katsuyoshi

“…To assess the image quality of a modified Fast three-dimensional (Fast 3D) mode wheel with sequential data filling (mFast 3D wheel) combined with a deep…”
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Lobar hepatic steatosis: Association with portal flow hemodynamics evaluated by multiphasic dynamic contrast-enhanced CT by Kawano, Yosuke, Tanabe, Masahiro, Kameda, Fumi, Higashi, Mayumi, Ihara, Kenichiro, Tanabe, Masaya, Inoue, Atsuo, Kobayashi, Taiga, Ueda, Takaaki, Ito, Katsuyoshi

“…•CE values of right lobar steatosis were lower than those of the non-fatty left lobe.•CE values of hepatic steatosis areas were different from focal fatty…”
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Three‐Dimensional (3D) Breath‐Hold Zoomed MR Cholangiopancreatography (MRCP): Evaluation of Additive Value to Conventional 3D Navigator Triggering MRCP in Patients With Branch Duct Intraductal Papillary Mucinous Neoplasms by Tanabe, Masahiro, Onoda, Hideko, Higashi, Mayumi, Morooka, Ryoko, Ihara, Kenichiro, Tanabe, Masaya, Matsukuma, Miwa, Iida, Etsushi, Furukawa, Matakazu, Ito, Katsuyoshi

“…Background To resolve drawbacks of navigator triggering (NT) three‐dimensional (3D) magnetic resonance cholangiopancreatography (MRCP), several approaches were…”
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Impact on the image quality of modified reduced field-of-view diffusion-weighted magnetic resonance imaging of pancreatic adenocarcinoma using spatially tailored two-dimensional radiofrequency pulses with a tilted excitation plane: A comparison with conventional field-of-view imaging by Tanabe, Masahiro, Hideura, Keiko, Higashi, Mayumi, Ihara, Kenichiro, Inoue, Atsuo, Narikiyo, Koji, Benkert, Thomas, Imai, Hiroshi, Yamane, Masatoshi, Yamaguchi, Takahiro, Shimokawa, Mototsugu, Ito, Katsuyoshi

“…Modified reduced FOV diffusion-weighted imaging (DWI) using spatially-tailored 2D RF pulses with tilted excitation plane (tilted r-DWI) has been developed. The…”
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The extracellular volume fraction of the pancreas measured by dual-energy computed tomography: The association with impaired glucose tolerance by Kameda, Fumi, Tanabe, Masahiro, Higashi, Mayumi, Ariyoshi, Shoko, Ihara, Kenichiro, Iida, Etsushi, Furukawa, Matakazu, Okada, Munemasa, Ito, Katsuyoshi

“…•The ECV showed a negative correlation with the HbA1c value in the cirrhotic group.•The ECV in the cirrhotic patients was lower than that in the non-cirrhotic…”
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Breath-hold High-resolution T1-weighted Gradient Echo Liver MR Imaging with Compressed Sensing Obtained during the Gadoxetic Acid-enhanced Hepatobiliary Phase: Image Quality and Lesion Visibility Compared with a Standard T1-weighted Sequence by Ihara, Kenichiro, Onoda, Hideko, Tanabe, Masahiro, Iida, Etsushi, Ueda, Takaaki, Kobayashi, Taiga, Higashi, Mayumi, Nickel, Marcel Dominik, Imai, Hiroshi, Ito, Katsuyoshi

“…Purpose: To evaluate the feasibility of breath-hold (BH) high-resolution (HR) T1-weighted gradient echo hepatobiliary phase (HBP) imaging using compressed…”
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