Internal Medicine : Establishment of optimal scan delay for multi-phase computed tomography using bolus-tracking technique in canine pancreas
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- CHOI Soo-Young
- College of Veterinary Medicine and Research Institute of Veterinary Medicine, Chungnam National University, Daejeon 305–764, South Korea
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- CHOI Ho-Jung
- College of Veterinary Medicine and Research Institute of Veterinary Medicine, Chungnam National University, Daejeon 305–764, South Korea
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- LEE Ki-Ja
- College of Veterinary Medicine, Kyungpook National University, Daegu 702–701, South Korea
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- LEE Young-Won
- College of Veterinary Medicine and Research Institute of Veterinary Medicine, Chungnam National University, Daejeon 305–764, South Korea
書誌事項
- タイトル別名
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- Establishment of optimal scan delay for multi-phase computed tomography using bolus-tracking technique in canine pancreas
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説明
To establish a protocol for a multi-phase computed tomography (CT) of the canine pancreas using the bolus-tracking technique, dynamic scan and multi-phase CT were performed in six normal beagle dogs. The dynamic scan was performed for 60 sec at 1-sec intervals after the injection (4 ml/sec) of a contrast medium, and intervals from aortic enhancement appearance to aortic, pancreatic parenchymal and portal vein peaks were measured. The multi-phase CT with 3 phases was performed three times using a bolus-tracking technique. Scan delays were 0, 15 and 30 in first multi-phase scan; 5, 20 and 35 in second multi-phase scan; and 10, 25 and 40 sec in third multi-phase scan, respectively. Attenuation values and contrast enhancement pattern were analyzed from the aorta, pancreas and portal vein. The intervals from aortic enhancement appearance to aortic, pancreatic parenchymal and portal vein peaks were 3.8 ± 0.7, 8.7 ± 0.9 and 13.3 ± 1.5 sec, respectively. The maximum attenuation values of the aorta, pancreatic parenchyma and portal vein were present at scan sections with no scan delay, a 5-sec delay and a 10-sec delay, respectively. When a multi-phase CT of the canine pancreas is triggered at aortic enhancement appearance using a bolus-tracking technique, the recommended optimal delay times of the arterial and pancreatic parenchymal phases are no scan delay and 5 sec, respectively.
収録刊行物
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- The Journal of Veterinary Medical Science
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The Journal of Veterinary Medical Science 77 (9), 1049-1054, 2015
公益社団法人 日本獣医学会
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詳細情報 詳細情報について
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- CRID
- 1390001206429484672
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- NII論文ID
- 130005100720
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- NII書誌ID
- AA10796138
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- ISSN
- 13477439
- 09167250
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- NDL書誌ID
- 026787528
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- PubMed
- 25843155
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- PubMed
- CiNii Articles
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- 使用不可