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Kiyoko Oshima, M.D., Ph.D.

Photo of Dr. Kiyoko Oshima, M.D., Ph.D.
  • Assistant Professor of Pathology

Languages: English, Japanese



Research Interests

Hepatobiliary; Pathology


The Johns Hopkins Hospital (Main Entrance)

1800 Orleans St.
Sheikh Zayed Tower
Baltimore, MD 21287 map
Phone: 410-955-3580 | Fax: 410-502-1493


Dr. Oshima is a hepatobiliary and gastrointestinal pathologist and the director of the Johns Hopkins Liver Pathology Service. more


  • Assistant Professor of Pathology

Departments / Divisions



  • MD, Jikei University School of Medicine (1983)


  • Daisan Hospital Jikei University School of Medicine / Surgery (1988)
  • University of Illinois at Chicago / Pathology (2000)


  • University of Chicago Medicine Mitchell Hospital-Hyde Park / Blood Banking/Transfusion Medicine (2001)
  • David Geffen School of Medicine at UCLA / Anatomic Pathology (2002)

Board Certifications

  • American Board of Pathology / Anatomic & Clinical Pathology (2001)

Research & Publications

Research Summary

Her research focuses on the study of neoplastic and non-neoplastic processes of the liver and pancreatobiliary tract. Her ongoing projects include: 1) ) 2D and 3D morphologic analysis of cholangiocarcinoma  2) digital image morphologic analysis of treatment effect on pancreatic adenocarcinoma post neoadjuvant therapy 3) morphologic analysis of hepatic hemangioendothelioma 4) early diagnosis of nodular regenerative hyperplasia with immunohistochemical stains.

Selected Publications

Rowan DJ, Logunova V, Oshima K. Measured residual tumor cellularity correlates with survival in neoadjuvant treated pancreatic ductal adenocarcinomas. Ann Diagn Pathol. 2019 Feb; 38:93-98.

Eskandari F, Rowan DJ, Hari P, Kapke J, Schneidewend R, E Hagen C, Oshima K. Liver biopsy findings in patients with hematopoietic cell transplantation. Hum Pathol. 2017 Aug; 66:136-143.

Pant M, Oshima K. Cholesteryl Ester Storage Disease: An underdiagnosed cause of cirrhosis in adults. Ann Diagn Pathol. 2017 Dec; 31:66-70.

Zen Y, Adsay N, Bardadin K, Colombari R, Farrell L, Haga H, Hong S, Hytiroglou P, Kloppel G, Lauwers G, Leeuwen D, Notohara K, Oshima K, Quaglia A, Sasaki M, Sessa F, Suriawinata A, Tsui W, Atomi Y, Nakanuma Y. Biliary intraepithelial neoplasia: An international interobserver agreement study and proposal of the revised diagnostic criteria. Mod Pathol 2007 Jun; 20(6):701-9.

Activities & Honors


  • Faculty of the Year, Saint Louis University, 2008 - 2009
  • Faculty Teacher of the Year, Medical College of Wisconsin, 2013 - 2014


  • Hans Popper Hepatopathology Society

    Membership committee

  • Rogger C. Haggitt Gastrointestinal Pathology Society

    Educational Travel and Awards Committee

  • United States and Canadian Academy of Pathology

Patient Ratings & Comments

The Patient Rating score is an average of all responses to physician related questions on the national CG-CAHPS Medical Practice patient experience survey through Press Ganey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Comments are also gathered from our CG-CAHPS Medical Practice Survey through Press Ganey and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.

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