KEIGO CHOSA

Last Updated :2025/07/05

Affiliations, Positions
Division of Clinical Radiology, Assistant Professor
E-mail
chosahiroshima-u.ac.jp
Self-introduction
I am affiliated with Department of Diagnostic Radiology.

Basic Information

Major Professional Backgrounds

  • 2003/05/16, 2003/05/31, Hiroshima University Hospital, Clinical Resident
  • 2003/06, 2004/10, Hiroshima City Asa Citizens Hospital, Doctor
  • 2004/11, 2017/03, Chugoku Rosai Hospital
  • 2017/04/01, Hiroshima University Hospital, Assistant Professor

Educational Backgrounds

  • Hiroshima University, Graduate School of Biomedical Sciences, Japan, 2006/04, 2011/05
  • Hiroshima University, Faculty of Medicine, Japan, 1997/04, 2003/03

Academic Degrees

  • Hiroshima University

Research Fields

  • Medicine,dentistry, and pharmacy;Clinical internal medicine;Radiation science

Research Keywords

  • Percutaneous Vertebroplasty

Affiliated Academic Societies

  • The Japan Society for Portal Hypertension
  • Japan Radiological Society, Japanese Society of Interventional Radiology

Educational Activity

Course in Charge

  1. 2025, Undergraduate Education, Year, Clinical diagnosis and treatment II
  2. 2025, Undergraduate Education, Intensive, Practice of Medicine I

Research Activities

Academic Papers

  1. Analysis of the treatment outcome of duodenal varices: A retrospective case series of 15 patients from a single institution, DEN OPEN, 5(1), 202504
    Link to Paper Search Results by DOI
  2. Transarterial embolization to treat hemodynamically unstable trauma patients with splenic injuries: A retrospective multicenter observational study, INJURY-INTERNATIONAL JOURNAL OF THE CARE OF THE INJURED, 56(1), 202501
    Link to Paper Search Results by DOI
  3. Development of a deep-learning algorithm for age estimation on CT images of the vertebral column, LEGAL MEDICINE, 69, 202407
    Link to Paper Search Results by DOI
  4. Perioperative proximal splenic artery embolization in cirrhotic patients with splenomegaly, MINIMALLY INVASIVE THERAPY & ALLIED TECHNOLOGIES, 33(1), 35-42, 20240201
    Link to Paper Search Results by DOI
  5. Prospective Exploratory Phase I Clinical Trial Assessing the Safety of Preoperative Marking for Small Liver Tumors, CUREUS JOURNAL OF MEDICAL SCIENCE, 15(12), 20231215
    Link to Paper Search Results by DOI
  6. Preoperative percutaneous or transvascular marking for curative resection of small liver tumours with potential for missing during hepatectomy: a study protocol for an open-label, single-arm phase II study, BMJ OPEN, 13(10), 202310
    Link to Paper Search Results by DOI
  7. Iodine maps derived from sparse-view kV-switching dual-energy CT equipped with a deep learning reconstruction for diagnosis of hepatocellular carcinoma, SCIENTIFIC REPORTS, 13(1), 20230303
    Link to Paper Search Results by DOI
  8. Understanding CT imaging findings based on the underlying pathophysiology in patients with small bowel ischemia, JAPANESE JOURNAL OF RADIOLOGY, 41(4), 353-366, 202304
    Link to Paper Search Results by DOI
  9. Hepatic venous pressure gradient after balloon-occluded retrograde transvenous obliteration and liver stiffness measurement predict the prognosis of patients with gastric varices, BMC GASTROENTEROLOGY, 22(1), 20221222
    Link to Paper Search Results by DOI
  10. Safety margin for CT- and US-guided radiofrequency ablation after TACE of HCC in the hepatic dome, MINIMALLY INVASIVE THERAPY & ALLIED TECHNOLOGIES, 31(6), 894-901, 20220801
    Link to Paper Search Results by DOI
  11. Efficacy and safety of chemoradiation therapy using one-shot cisplatin via hepatic arterial infusion for advanced hepatocellular carcinoma with major macrovascular invasion: a single-arm retrospective cohort study, BMC GASTROENTEROLOGY, 22(1), 20220602
    Link to Paper Search Results by DOI
  12. Cranio-caudal puncture with computed tomography-guided drainage of a deep pelvic abscess, POLISH JOURNAL OF RADIOLOGY, 87, E177-E180, 20220317
    Link to Paper Search Results by DOI
  13. ★, Newly developed compression fractures after percutaneous vertebroplasty: comparison with conservative treatment., Japanese Journal of Radiology, 29, 335-341, 2011
  14. Extravascular submucosal coil migration after transcatheter arterial embolization for a massively bleeding duodenal ulcer., 34, 1098-1101, 2011
  15. Clinical Indication for Computed Tomography During Hepatic Arteriography (CTHA) in Addition to Dynamic CT Studies to Identify Hypervascularity of Hepatocellular Carcinoma, CARDIOVASCULAR AND INTERVENTIONAL RADIOLOGY, 41(4), 618-627, 201804
    Link to Paper Search Results by DOI
  16. Feasibility and safety of CT-guided intrathoracic and bone re-biopsy for non-small cell lung cancer, Anticancer Res, 38, 3587-3592, 2018
  17. Improved detectability of hyper-dense nodules with dual-energy CT scans: Phantom study using simulated liver harboring nodules, Hiroshima J Med Sci, 2018
  18. Feasibility and Safety of CT-guided Intrathoracic and Bone Re-biopsy for Non-small Cell Lung Cancer, ANTICANCER RESEARCH, 38(6), 3587-3592, 201806
    Link to Paper Search Results by DOI
  19. Usefulness of Amplatzer Vascular Plug for Preoperative Embolization Before Distal Pancreatectomy with En Bloc Celiac Axis Resection, CARDIOVASCULAR AND INTERVENTIONAL RADIOLOGY, 42(9), 1352-1357, 201909
    Link to Paper Search Results by DOI
  20. A Ruptured Mediastinal Bronchial Artery Aneurysm Treated with Urgent Thoracic Endovascular Aortic Repair, INTERNAL MEDICINE, 59(10), 1283-1286, 2020
    Link to Paper Search Results by DOI
  21. Obliteration of a Portosystemic Shunt by Hybrid Interventional Radiology Using a Transmesenteric Approach Under Minilaparotomy After Liver Transplantation: A Case Report, TRANSPLANTATION PROCEEDINGS, 52(9), 2762-2766, 202011
    Link to Paper Search Results by DOI
  22. Hepatic Arterial Infusion Chemotherapy Combined with Radiation Therapy for Advanced Hepatocellular Carcinoma with Tumor Thrombosis of the Main Trunk or Bilobar of the Portal Vein, LIVER CANCER, 10(2), 151-160, 202104
    Link to Paper Search Results by DOI
  23. Successful multimodality treatment for advanced hepatocellular carcinoma with tumor thrombosis of the main portal trunk: a case study, CLINICAL JOURNAL OF GASTROENTEROLOGY, 14(5), 1517-1524, 202110
    Link to Paper Search Results by DOI
  24. Treatment of multiple huge liver cysts in a hybrid operating room: a case report, SURGICAL CASE REPORTS, 7(1), 20211029
    Link to Paper Search Results by DOI

Invited Lecture, Oral Presentation, Poster Presentation

  1. Efficacy of Coil in plug method with AVP2 for embolization of large portosystemic shunt, Keigo Chosa, Hidenori Mitani, Wataru Fukumoto, Kazuo Awai, CIRSE2024, 2024/09, Without Invitation, English, Lisbon
  2. Portal vein stenting to treat benign portal vein stenosis due to inflammation after surgery, Keigo Chosa, Yasutaka Baba, Wataru Fukumoto, Hidenori Mitani, Kazuo Awai, CIRSE2019, 2019/09, Without Invitation, English, Barcelona
  3. Usefulness of Amplatzer Vascular Plug (AVP)-2 for portal venous intervention, Keigo Chosa, The 54th Annual Meeting of the Japanese Society of Interventional Radiology, 2025, Without Invitation, English
  4. Coil Embolizaton for portal hypertension, Keigo Chosa, Ruby Coil User's Meeting in September, 2022/09, With Invitation, Japanese, other
  5. Splenic artery embolization; Comparison of proximal and distal embolization, Keigo Chosa, 2023/04, With Invitation, English
  6. Portal vein stenting to treat portal vein stenosis or occlusion in a patient with malignant tumors., Chosa K, Baba Y, Fukumoto W, Mitani H, Awai K., 2020/09, Without Invitation, English, München, other
  7. Influence of the spleen on hepatic volume changes after percutaneous transhepatic right portal vein embolization., Chosa K, Baba Y, Fukumoto W, Mitani H, Awai K., CIRSE2020, 2020/09, Without Invitation, English, München, other
  8. Radiological Findings of the Cisterna chyli by Computed Tomography-Hepatic Arteriography., Chosa K, Baba Y, Fukumoto W, Mitani H, Awai K., CIRSE2020, 2020/09, Without Invitation, English, München, other
  9. Repeat percutaneous vertebroplasty at treated levels with recurrent pain, Chosa K, Awai K, Naito A, CIRSE 2017, 2017/09/16, Without Invitation, English, Copenhagen
  10. Endovascular treatment for delayed post-pancreatectomy hemorrhage, Narita K, Fukumoto W, Fuji T, Chosa K, Baba Y, Awai K, RSNA 2017, 2017, Without Invitation, English, Chicago
  11. Prevalence of femoroacetabular impingement features in Japanese young adults without symptoms: hip joint morphology using radial reformation from computed tomography, Tanitame K, Nishikori A, Higashibori H, Fuji T, Honda Y, Kaichi Y, Nakamura Y, Chosa K, Awai K, RSNA 2017, 2017, Without Invitation, Japanese, Chicago
  12. Embolization of common hepatic and left gastric arteries before distal pancreatectomy with celiac axis resection, Fuji T, Baba Y, Fukumoto E, Kajiwara K, Nakamura Y, Terada H, Tani C, Ishikawa M, Iida M, Chosa K, Awai K, RSNA 2017, 2017, Without Invitation, Japanese, Chicago
  13. Morphological comparison before and after coil embolization of pulmonary arteriovenous malformations on computed tomographs, Baba Y, Chosa K, Mitani H, Fuji T, Choi YH, Awai K, SIR 2018, 2018, Without Invitation, Japanese, Los Angeles

External Funds

Acceptance Results of Competitive Funds

  1. Grant-in-Aid for Scientific Research(C), 2023, 2025
  2. KAKENHI(Grant-in-Aid for Early-Career Scientists), 2019, 2020