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Fumikazu Koyama

Fumikazu Koyama publishes mostly in Surgery, Oncology and Epidemiology, on topics such as Colorectal and Anal Carcinomas, Autoimmune and Inflammatory Disorders and Colorectal Cancer Surgical Treatments.

World rank
#587,468
of 1,633,909 ranked researchers
Rank in Japan
#23,816
of 114,622
Works
27
Citations
52
Citations per work
1.9

What does Fumikazu Koyama research?

Surgery: 35.1%Oncology: 18.9%Epidemiology: 8.1%Ecology: 5.4%other fields: 32.5%35%top field
Surgery35.1%Oncology18.9%Epidemiology8.1%Ecology5.4%other fields32.5%

Shares of their own output, by the field each of their topics belongs to. The grey slice is everything not listed.

  1. 1Surgery35% of their works
  2. 2Oncology19% of their works
  3. 3Epidemiology8% of their works
  4. 4Ecology5% of their works
  5. 5Rheumatology5% of their works
  6. 6Pathology and Forensic Medicine5% of their works

Research topics

Which keywords describe Fumikazu Koyama's research?

The keywords of their largest research topics: Anal Cancer, Chemoradiation, Epidemiology, Inflammatory Bowel Disease, Diverticulitis, Fistulas, Hemorrhoids and Preoperative Chemoradiotherapy.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most.

All 18 words, with their numbers
  1. Anal Cancer31 topic
  2. Chemoradiation31 topic
  3. Epidemiology32 topics
  4. Inflammatory Bowel Disease32 topics
  5. Diverticulitis21 topic
  6. Fistulas21 topic
  7. Hemorrhoids21 topic
  8. Preoperative Chemoradiotherapy21 topic
  9. Pyoderma Gangrenosum21 topic
  10. Rectal Cancer21 topic
  11. Sweet's Syndrome21 topic
  12. Treatment21 topic
  13. Apoptosis11 topic
  14. Cell Death11 topic
  15. Climate Change11 topic
  16. Coral Reefs11 topic
  17. Crohn's Disease11 topic
  18. Ulcerative Colitis11 topic

Where does Fumikazu Koyama work?

Fumikazu Koyama's main affiliation in the publication record is Nara Medical University, Japan.

How many publications and citations does Fumikazu Koyama have?

Science Explorer counts 27 works and 52 citations for Fumikazu Koyama, ranking #587,468 of 1,633,909 researchers worldwide on the composite score.

Ranked on field-normalised excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Papers, co-authors, who cited this work and researchers on the nearest topics are in the interactive view on the map. Is this your page? Request a correction or removal.