- Dual-Layer Computed Tomography in Cardiovascular Imaging
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Nakaura T, Oda S, Utsunomiya D, Tokuyasu S, Yamashita Y
- KMID: 2524863
- Cardiovasc Imaging Asia.
- 2018 Apr;2(2):49-57.
- doi: 10.22468/cvia.2018.00066
Despite the established theoretical potential of dual-energy CT (DECT), the growing prevalence of dual-source CT, and rapid peak kilovoltage switching CT, it is not frequently used in routine clinical cardiovascular... -
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- Napkin-Ring Sign on Coronary Computed Tomography Angiography-Tiered Enhancement of Coronary Lumen and Plaque
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Utsunomiya D, Hokimoto S, Kanemaru Y, Oda S, Nakaura T, Kidoh M, Yuki H, Hirata K, Yamashita Y
- KMID: 2524847
- Cardiovasc Imaging Asia.
- 2017 Jul;1(3):205-207.
- doi: 10.22468/cvia.2017.00010
We present the case of an 85-year-old man showing the “napkin-ring sign” tiered enhancement pattern on dual-phase coronary CT angiography using a 320-row multidetector CT. This has not been previously... -
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- Role of Noninvasive Diagnostic Imaging in Cardiac Amyloidosis: A Review
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Oda S, Utsunomiya D, Nakaura T, Takashio S, Izumiya Y, Tsujita K, Ueda M, Yamashita T, Ando Y, Kawano Y, Okuno Y, Hata H, Yamashita Y
- KMID: 2524868
- Cardiovasc Imaging Asia.
- 2018 Apr;2(2):97-106.
- doi: 10.22468/cvia.2018.00059
Historically, cardiac amyloidosis (CA) has been considered a rare disease; however, recent research has revealed a considerable number of hidden CA cases in patients with heart failure, especially in those... -
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- Virtual Monochromatic Image Quality from Dual-Layer Dual-Energy Computed Tomography for Detecting Brain Tumors
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Tanoue S, Nakaura T, Nagayama Y, Uetani H, Ikeda O, Yamashita Y
- KMID: 2516031
- Korean J Radiol.
- 2021 Jun;22(6):951-958.
- doi: 10.3348/kjr.2020.0677
Objective: To evaluate the usefulness of virtual monochromatic images (VMIs) obtained using dual-layer dual-energy CT (DL-DECT) for evaluating brain tumors. Materials and Methods: This retrospective study included 32 patients with brain... -
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- Development and Validation of Generalized Linear Regression Models to Predict Vessel Enhancement on Coronary CT Angiography
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Masuda T, Nakaura T, Funama Y, Sato T, Higaki T, Kiguchi M, Matsumoto , Yamashita , Imada N, Awai K
- KMID: 2424842
- Korean J Radiol.
- 2018 Dec;19(6):1021-1030.
- doi: 10.3348/kjr.2018.19.6.1021
OBJECTIVE: We evaluated the effect of various patient characteristics and time-density curve (TDC)-factors on the test bolus-affected vessel enhancement on coronary computed tomography angiography (CCTA). We also assessed the value... -
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- Effect of Patient Characteristics on Vessel Enhancement at Lower Extremity CT Angiography
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Masuda T, Nakaura T, Funama Y, Sato T, Higaki T, Kiguchi M, Yamashita , Imada N, Awai K
- KMID: 2404923
- Korean J Radiol.
- 2018 Apr;19(2):265-271.
- doi: 10.3348/kjr.2018.19.2.265
OBJECTIVE: To evaluate the effect of patient characteristics on popliteal aortic contrast enhancement at lower extremity CT angiography (LE-CTA) scanning. MATERIALS AND METHODS: Prior informed consent to participate was obtained from... -
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