World's Best Scientists 2026 revealed!
Koichi Ohshima

Koichi Ohshima

D-Index & Metrics

Medicine

D-Index
84
Citations
26795
World Ranking
15058
National Ranking
462

Overview

Koichi Ohshima is affiliated with Kurume University in Japan and has contributed extensively to medical research, with a focus on pathology and hematologic malignancies. Their publication record includes significant work in fields such as pathology and forensic medicine, immunology, oncology, genetics, and neurology.

Ohshima's research topics prominently feature lymphoma diagnosis and treatment, T-cell and retrovirus studies, CNS lymphoma diagnosis and treatment, viral-associated cancers and disorders, immune cell function and interaction, chronic lymphocytic leukemia research, and CAR-T cell therapy research.

Recent notable papers authored or co-authored by Ohshima include:

  • A single-cell atlas of non-haematopoietic cells in human lymph nodes and lymphoma reveals a landscape of stromal remodelling, 2022, Nature Cell Biology
  • Deep learning shows the capability of high-level computer-aided diagnosis in malignant lymphoma, 2020, Laboratory Investigation
  • Frequent genetic alterations in immune checkpoint-related genes in intravascular large B-cell lymphoma, 2020, Blood
  • Prognosis of patients with adult T-cell leukemia/lymphoma in Japan: A nationwide hospital-based study, 2020, Cancer Science
  • Updated guidelines for chronic active Epstein-Barr virus disease, 2023, International Journal of Hematology

Frequent co-authors with whom Ohshima has collaborated include:

  • Hiroaki Miyoshi
  • Kazutaka Nakashima
  • Kyohei Yamada
  • Takuya Furuta
  • Mai Takeuchi

Ohshima's research has been published multiple times in prominent venues such as:

  • Blood
  • Pathology International
  • International Journal of Hematology
  • Annals of Hematology
  • Journal of Clinical and Experimental Hematopathology

Their extensive work has yielded 277 publications in the broad field of Medicine, with key subfields of study distributed as follows:

  • Pathology and Forensic Medicine (76 publications)
  • Immunology (67 publications)
  • Oncology (59 publications)
  • Genetics (34 publications)
  • Neurology (30 publications)

Best Publications

  • Chemotherapy-resistant human AML stem cells home to and engraft within the bone-marrow endosteal region.

    Fumihiko Ishikawa;Shuro Yoshida;Yoriko Saito;Atsushi Hijikata

  • Genetic variants of IL-13 signalling and human asthma and atopy

    A. Heinzmann;X. Q. Mao;M. Akaiwa;R. T. Kreomer

  • Nationwide survey of hemophagocytic lymphohistiocytosis in Japan.

    Eiichi Ishii;Shouichi Ohga;Shinsaku Imashuku;Masaki Yasukawa

  • Age-Related EBV-Associated B-Cell Lymphoproliferative Disorders Constitute a Distinct Clinicopathologic Group: A Study of 96 Patients

    Takashi Oyama;Kazuhito Yamamoto;Naoko Asano;Aya Oshiro

  • Expression of programmed cell death ligand 1 is associated with poor overall survival in patients with diffuse large B-cell lymphoma.

    Junichi Kiyasu;Junichi Kiyasu;Hiroaki Miyoshi;Akie Hirata;Fumiko Arakawa

  • Phase I Study of KW-0761, a Defucosylated Humanized Anti-CCR4 Antibody, in Relapsed Patients With Adult T-Cell Leukemia-Lymphoma and Peripheral T-Cell Lymphoma

    Kazuhito Yamamoto;Atae Utsunomiya;Kensei Tobinai;Kunihiro Tsukasaki

  • EBV-associated T/NK–cell lymphoproliferative diseases in nonimmunocompromised hosts: prospective analysis of 108 cases

    Hiroshi Kimura;Yoshinori Ito;Shinji Kawabe;Kensei Gotoh

  • Phase I/II study of concurrent chemoradiotherapy for localized nasal natural killer/T-cell lymphoma: Japan Clinical Oncology Group Study JCOG0211.

    Motoko Yamaguchi;Kensei Tobinai;Masahiko Oguchi;Naoki Ishizuka

  • Expression of FoxP3, a key molecule in CD4+CD25+ regulatory T cells, in adult T‐cell leukaemia/lymphoma cells

    Kennosuke Karube;Kennosuke Karube;Koichi Ohshima;Takeshi Tsuchiya;Takahiro Yamaguchi

  • Senile EBV+ B-cell lymphoproliferative disorders: a clinicopathologic study of 22 patients.

    Takashi Oyama;Koichi Ichimura;Ritsuro Suzuki;Junji Suzumiya

  • HTLV-1 bZIP factor induces T-cell lymphoma and systemic inflammation in vivo.

    Yorifumi Satou;Jun ichirou Yasunaga;Tiejun Zhao;Mika Yoshida

  • Proposed categorization of pathological states of EBV-associated T/natural killer-cell lymphoproliferative disorder (LPD) in children and young adults: Overlap with chronic active EBV infection and infantile fulminant EBV T-LPD

    Koichi Ohshima;Hiroshi Kimura;Tadashi Yoshino;Chul Woo Kim

  • Comparison of genome profiles for identification of distinct subgroups of diffuse large B-cell lymphoma

    Hiroyuki Tagawa;Miyuki Suguro;Shinobu Tsuzuki;Keitaro Matsuo

  • Methotrexate/iatrogenic lymphoproliferative disorders in rheumatoid arthritis: histology, Epstein-Barr virus, and clonality are important predictors of disease progression and regression.

    Ayako Ichikawa;Fumiko Arakawa;Junichi Kiyasu;Kensaku Sato

  • Genetic drivers of oncogenic pathways in molecular subgroups of peripheral T-cell lymphoma

    Tayla B. Heavican;Alyssa Bouska;Jiayu Yu;Waseem Lone

  • ANALYSIS OF NOVEL DISEASE-RELATED GENES IN BRONCHIAL ASTHMA

    Noriko Yuyama;Donna E. Davies;Mina Akaiwa;Keiko Matsui

  • Hypomethylation Status of CpG Sites at the Promoter Region and Overexpression of the Human MDR1 Gene in Acute Myeloid Leukemias

    Masaharu Nakayama;Morimasa Wada;Taishi Harada;Jun Nagayama

  • Genome‐wide array‐based comparative genomic hybridization of natural killer cell lymphoma/leukemia: Different genomic alteration patterns of aggressive NK‐cell leukemia and extranodal Nk/T‐cell lymphoma, nasal type

    Yasuhiro Nakashima;Hiroyuki Tagawa;Ritsuro Suzuki;Sivasundaram Karnan

  • Regulation by Interleukin-10 and Interleukin-4 of Cyclooxygenase-2 Expression in Human Neutrophils

    Hiroaki Niiro;Takeshi Otsuka;Kenji Izuhara;Kunihiro Yamaoka

  • Age-related Epstein-Barr virus (EBV)–associated B-cell lymphoproliferative disorders: comparison with EBV-positive classic Hodgkin lymphoma in elderly patients

    Naoko Asano;Naoko Asano;Kazuhito Yamamoto;Jun Ichi Tamaru;Takashi Oyama

Frequent Co-Authors

Masao Seto
Masao Seto Kurume University
Shigeo Nakamura
Shigeo Nakamura Nagoya University
Tadashi Yoshino
Tadashi Yoshino Okayama University
Koichi Akashi
Koichi Akashi Kyushu University
Masao Matsuoka
Masao Matsuoka Kumamoto University
Atae Utsunomiya
Atae Utsunomiya Kagoshima University
Seishi Ogawa
Seishi Ogawa Kyoto University
Naokuni Uike
Naokuni Uike National Hospital Organization Kyushu Cancer Center
Shouichi Ohga
Shouichi Ohga Kyushu University
Yasuo Morishima
Yasuo Morishima Aichi Medical University

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

If you’re exploring pathways to a medical career in the USA, online degrees can be a flexible starting point. Earning a cheapest online health science degree is a smart option for those seeking affordability and a broad introduction to healthcare fields.

For students interested in fast-tracking their entry into patient care, a fast track medical lpn program provides the basics needed to become a Licensed Practical Nurse, often in less time than traditional routes require.

Many nurses pursue higher credentials to expand their scope of practice. Accelerated pathways such as bsn to np programs online allow qualified nurses to advance to nurse practitioner roles, including specialized tracks like psychiatric mental health.

For those aiming for top leadership in nursing, a 1 year dnp program online can provide a rapid, rigorous route to the highest clinical nursing degree. These programs are designed for working nurses who seek to lead and innovate in healthcare settings.

Best Scientists Citing Koichi Ohshima

Trending Scientists