Details of a Researcher - Nishie Akihiro

Nishie Akihiro

写真a

Title	Professor
Researcher Number(JSPS Kakenhi)	20457427
3

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Current Affiliation Organization 【 display / non-display 】

Duty University of the Ryukyus Graduate School of Medicine Professor

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External Career 【 display / non-display 】

2021.07

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Affiliated academic organizations 【 display / non-display 】

　

　

　

The Japan Society of Hepatology
　

　

　

Liver Cancer Study Group of Japan
　

　

　

Japanese Society for Magnetic Resonance in Medicine
　

　

　

Japanese Cancer Association
　

　

　

Japanese Society of Nuclear Medicine

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Published Papers 【 display / non-display 】

Syphilitic descending aortic aneurysm presenting with characteristic double-ring sign on CT: Radiologic-pathologic correlation.

Sugie T, Miyaguni S, Tsuchiya N, Chinen Y, Inafuku H, Maeda T, Furukawa K, Wada N, Nishie A

Radiology case reports 21 ( 10 ) 4378 - 4382 2026.10 [ Peer Review Accepted ]

Type of publication: Research paper (scientific journal)
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Computed tomography-derived assessment of respiratory impairment in thoracic scoliosis: Comparison between idiopathic and non-idiopathic etiologies.

Tsuchiya N, Yogi S, Yogi A, Iida G, Yonemoto K, Shimabukuro T, Nishida K, Nishie A

World journal of radiology 18 ( 6 ) 119975 2026.06 [ Peer Review Accepted ]

Type of publication: Research paper (scientific journal)
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Pulsation-related motion artifact of the external iliac artery mimicking localized dissection: An unexpected finding.

Miyara K, Tsuchiya N, Nagano T, Yogi S, Nishie A

Radiology case reports 21 ( 5 ) 1827 - 1829 2026.05 [ Peer Review Accepted ]

Type of publication: Research paper (scientific journal)
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A Case of Myxoid Solitary Fibrous Tumor With Villiform Histology in Pterygopalatine Fossa.

Kobashigawa S, Nakayoshi H, Maeda H, Iraha Y, Nishie A, Kawakami F

Pathology international ( Pathology International ) 76 ( 5 ) e70123 2026.05 [ Peer Review Accepted ]

Type of publication: Research paper (scientific journal)
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A case of ruptured gastric varices successfully treated with embolization via the paraumbilical vein approach

SUGIMURA Tomoko, SHIROMA Keisuke, AZAMA Kimei, ITO Junji, NISHIE Akihiro, UMEMURA Takehiro

Journal of Japanese Society for Emergency Medicine ( Japanese Society for Emergency Medicine ) 29 ( 2 ) 153 - 158 2026.04 [ Peer Review Accepted ]

Type of publication: Research paper (scientific journal)

　View Summary

<p>Ruptured varices are life-threatening, and rapid hemostatic intervention directly affects survival. Endoscopic hemostasis is generally considered the first-line treatment; however, it can be difficult when visualization is poor or when the patient presents with respiratory or circulatory failure. Here, we report a case of gastric variceal rupture in which endoscopic hemostasis was not feasible and was successfully managed with variceal embolization via a paraumbilical vein. The patient was a female aged 77 years who developed hemorrhagic shock and hypoxemia due to gastric variceal rupture associated with liver cirrhosis. Endoscopic hemostasis was attempted; however, it could not be completed because of poor visualization caused by continuous hematemesis and the patient's worsening condition. Transhepatic variceal embolization via intrahepatic portal puncture was considered unsuitable due to massive ascites. Therefore, percutaneous puncture of a dilated paraumbilical vein was performed, and varices from the posterior gastric vein were embolized using n-butyl cyanoacrylate. The postoperative course was uneventful, without rebleeding, and the patient was discharged home. Variceal embolization via a paraumbilical vein can be an effective and safe life-saving option for patients in whom endoscopic hemostasis or a transhepatic approach is not feasible.</p>
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Presentations 【 display / non-display 】

Surveillance of HCC: Japanese perspective

Akihiro Nishie

50th Annual Congress of Korean Society of Ultrasound in Medicine (Seoul) 2020.05 - 2020.05
Multiparametric assessment of microvascular invasion in hepatocellular carcinoma using gadoxetic acid-enhanced MRI

Nishie A, Asayama Y, Ushijima Y, Nakayama T, Takayama Y, Kubo Y, Ishimatsu K, Yoshizumi T, Maehara J

105th Scientific Assembly and Annual Meeting of Radiological Society of North America (Chicago) 2019.12 - 2019.12
Body mass index is a regulating factor for CT attenuation of adrenal adenoma

Nishie A, Asayama Y, Ishigami K, Ushijima Y, Kakihara D, Honda H, Nakayama T, Fujita N, Morita K, Ishimatsu K, Takao S, Sugimoto M, Hida T

104th Scientific Assembly and Annual Meeting of Radiological Society of North America (Chicago) 2018.11 - 2018.11
Radiological estimation of the liver fibrosis with a routine CT examination based on non-rigid registration technique

Nishie A, Akahori S, Asayama Y, Ishigami K, Ushijima Y, Okamoto D, Fujita N, Morita K, Yoshizumi T, Honda H

第77回日本医学放射線学会総会 (Yokohama) 2018.04 - 2018.04
Amide proton transfer imaging to predict tumor response after preoperative chemotherapy in locally advanced rectal cancer

Akihiro Nishie, Yoshiki Asayama, Kousei Ishigami, Yasuhiro Ushijima, Yukihisa Takayama, Daisuke Okamoto, Nobuhiro Fujita, Daisuke Tsurumaru, Osamu Togao, Koji Sagiyama, Tatsuya Manabe, Eiji Oki, Yuichiro Kubo, Jochen Keupp, Hiroshi Honda

RSNA 102nd SCIENTIFIC ASSEMBLY & ANNUAL MEETING (Chicago) 2017.11 - 2017.12

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Grant-in-Aid for Scientific Research 【 display / non-display 】

Grant-in-Aid for Scientific Research(C)

Project Year: 2025.04 - 2030.03

Direct: 3,500,000 (YEN) Overheads: 4,550,000 (YEN) Total: 1,050,000 (YEN)
Grant-in-Aid for Scientific Research(C)

Project Year: 2021.04 - 2024.03

Direct: 2,700,000 (YEN) Overheads: 3,510,000 (YEN) Total: 810,000 (YEN)
Grant-in-Aid for Scientific Research(C)

Project Year: 2021.04 - 2024.03

Direct: 600,000 (YEN) Overheads: 780,000 (YEN) Total: 180,000 (YEN)
Development of novel quantitative analysis of liver fibrosis and function using MRI

Grant-in-Aid for Scientific Research(C)

Project Year: 2020.04 - 2023.03

Direct: 3,300,000 (YEN) Overheads: 4,290,000 (YEN) Total: 990,000 (YEN)
Grant-in-Aid for Scientific Research(C)

Project Year: 2020.04 - 2023.03

Direct: 2,000,000 (YEN) Overheads: 2,600,000 (YEN) Total: 600,000 (YEN)