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  1. No Access

    Article

    Evaluation of deep learning reconstruction on diffusion-weighted imaging quality and apparent diffusion coefficient using an ice-water phantom

    This study assessed the influence of deep learning reconstruction (DLR) on the quality of diffusion-weighted images (DWI) and apparent diffusion coefficient (ADC) using an ice-water phantom. An ice-water phant...

    Tatsuya Hayashi, Shinya Kojima, Toshimune Ito in Radiological Physics and Technology (2024)

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    Article

    Skin Redness of the Trunk Developed After Lymphatic Embolization in the Pelvic Region

    Masayoshi Yamamoto, Shigeru Furui in CardioVascular and Interventional Radiology (2023)

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    Article

    Percutaneous Methods for Reinsertion of a Dislodged External Pancreatic Duct Stent

    Masayoshi Yamamoto, Shigeru Furui in CardioVascular and Interventional Radiology (2021)

  4. No Access

    Article

    Efficacy of Automated Supplying Artery Tracking Software Using Multidetector-Row Computed Tomography Images for Emergent Transcatheter Arterial Embolization

    To assess the reliability of a prototype automated supplying artery tracking software (ASATS) using multidetector-row CT (MDCT) images in emergent TAE.

    Yukichi Tanahashi, Hiroshi Kondo in CardioVascular and Interventional Radiology (2018)

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    Article

    Influence of Gd-EOB-DTPA on T1 dependence of the proton density fat fraction using magnetic resonance spectroscopy

    This phantom study assessed the effect of Gd-EOB-DTPA on T1 bias (difference in T1 between water and fat) of the proton density fat fraction when using magnetic resonance spectroscopy. Phantoms containing varying...

    Tatsuya Hayashi, Kei Fukuzawa, Hiroshi Kondo in Radiological Physics and Technology (2018)

  6. Article

    Correction to: Influence of Gd-EOB-DTPA on proton density fat fraction using the six-echo Dixon method in 3 Tesla magnetic resonance imaging

    A diameter of glass bottles in phantoms in the above article (2 cm) was incorrect. The correct diameter is 4.5 cm.

    Tatsuya Hayashi, Kei Fukuzawa, Hiroshi Kondo in Radiological Physics and Technology (2018)

  7. No Access

    Article

    Embolization of the Thoracic Duct by Direct Injection of N-Butyl-2-Cyanoacrylate Glue via a Puncture Needle

    To report embolization of the thoracic duct by direct injection of N-butyl-2-cyanoacrylate (NBCA) glue via a puncture needle.

    Masayoshi Yamamoto, Kentaro Yamada in CardioVascular and Interventional Radiology (2018)

  8. No Access

    Article

    Influence of Gd-EOB-DTPA on proton density fat fraction using the six-echo Dixon method in 3 Tesla magnetic resonance imaging

    The purpose of this study was to evaluate whether disodium gadoxetate (Gd-EOB-DTPA) affects proton density fat fractions (PDFFs) during use of the multiecho Dixon (meDixon) method in phantom and simulation mag...

    Tatsuya Hayashi, Kei Fukuzawa, Hiroshi Kondo in Radiological Physics and Technology (2017)

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    Article

    Transcatheter Arterial Embolization for Primary Postpartum Hemorrhage: Predictive Factors of Need for Embolic Material Conversion of Gelatin Sponge Particles to N-Butyl Cyanoacrylate

    To identify predictive factors for embolic material conversion to N-butyl cyanoacrylate (NBCA) for the treatment of primary postpartum hemorrhage (PPH) after failed transcatheter arterial embolization (TAE) using...

    Yukichi Tanahashi, Satoshi Goshima in CardioVascular and Interventional Radiology (2017)

  10. Article

    The Practice Guidelines for Primary Care of Acute Abdomen 2015

    Since acute abdomen requires accurate diagnosis and treatment within a particular time limit to prevent mortality, the Japanese Society for Abdominal Emergency Medicine in collaboration with four other medical...

    Toshihiko Mayumi, Masahiro Yoshida, Susumu Tazuma in Japanese Journal of Radiology (2016)

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    Article

    Adrenal-to-liver SUV ratio is the best parameter for differentiation of adrenal metastases from adenomas using 18F-FDG PET/CT

    To investigate the best standardized uptake value (SUV) index for differentiation of adrenal metastases from adrenocortical adenomas using 18F-fluorodeoxyglucose positron emission tomography/computed tomograph...

    Haruo Watanabe, Masayuki Kanematsu, Satoshi Goshima in Annals of Nuclear Medicine (2013)

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    Article

    Enhancement of anatomical structures and detection of metastatic cervical lymph nodes: comparison of two different contrast material doses

    To determine if a 20 % reduction in the contrast material dose is acceptable in the CT evaluation of patients with head and neck malignancy.

    Haruo Watanabe, Masayuki Kanematsu, Hiroki Kato in Japanese Journal of Radiology (2012)

  13. No Access

    Article

    Detection of focal hepatic lesions with 3-T MRI: comparison of two-dimensional and three-dimensional T2-weighted sequences

    To evaluate whether incorporation of a 3D turbo spin-echo sequence during T2-weighted MR imaging improves the detection of focal hepatic lesions by 3T MR imaging.

    Haruo Watanabe, Masayuki Kanematsu, Satoshi Goshima in Japanese Journal of Radiology (2012)

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    Article

    Neurofibromatosis Type 1: Transcatheter Arterial Embolization for Ruptured Occipital Arterial Aneurysms

    Two cases of ruptured aneurysms in the posterior cervical regions associated with type-1 neurofibromatosis treated by transcatheter embolization are reported. Patients presented with acute onset of swelling an...

    Masayuki Kanematsu, Hiroki Kato in CardioVascular and Interventional Radiology (2011)

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    Article

    Automated segmentation of hepatic vessels in non-contrast X-ray CT images

    Hepatic-vessel trees are the key structures in the liver. Knowledge of the hepatic-vessel tree is required because it provides information for liver lesion detection in the computer-aided diagnosis (CAD) syste...

    Suguru Kawajiri, **angrong Zhou, Xuejun Zhang in Radiological Physics and Technology (2008)