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Researcher · Miyazaki Medical Association Hospital · Japan

Toshio Shimayama

Toshio Shimayama publishes mostly in Surgery, Pulmonary and Respiratory Medicine and Oncology, on topics such as Biliary and Gastrointestinal Fistulas, Gastrointestinal disorders and treatments and Gastrointestinal Tumor Research and Treatment.

OpenAlex
World rank
#7,360,237
of 7,710,434 ranked researchers
Rank in Japan
#342,652
of 383,136
Works
29
Citations
70
Citations per work
2.4
h-index
5
i10-index 2Top 83% in Surgery
Toshio Shimayama

What does Toshio Shimayama research?

Toshio Shimayama's work is mostly in Medicine (81%), Biochemistry, Genetics and Molecular Biology (4%).

Health Sciences: 23 works · 80.8% of their workMedicine: 23 works · 80.8% of their workSurgery: 12 works · 42.5% of their workPulmonary and Respiratory Medicine: 5 works · 16.4% of their workOncology: 3 works · 9.6% of their workEpidemiology: 2 works · 6.8% of their workGastroenterology: 2 works · 5.5% of their workEverything else: 4 works · 15.1% of their workLife Sciences: 1 works · 4.1% of their workBiochemistry, Genetics and Molecular Biology: 1 works · 4.1% of their workGenetics: 1 works · 4.1% of their workTHEIR WORKToshio Shimayama29works
Life Sciences4%Health Sciences81%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Medicine2380.8%
  2. Everything else415.1%
    1. Biochemistry, Genetics and Molecular Biology14.1%
  1. 1Surgery42% of their works
  2. 2Pulmonary and Respiratory Medicine16% of their works
  3. 3Oncology10% of their works
  4. 4Epidemiology7% of their works
  5. 5Gastroenterology6% of their works
  6. 6Genetics4% of their works

Research topics

Which keywords describe Toshio Shimayama's research?

The keywords of their largest research topics: Surgical Management, Epidemiology, Bouveret's Syndrome, Chemotherapy, Gallstone Ileus, Gastric Cancer, Intussusception and Meckel's Diverticulum.

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 20 words, with their numbers
  1. Surgical Management92 topics
  2. Epidemiology72 topics
  3. Bouveret's Syndrome61 topic
  4. Chemotherapy62 topics
  5. Gallstone Ileus61 topic
  6. Gastric Cancer62 topics
  7. Intussusception41 topic
  8. Meckel's Diverticulum41 topic
  9. Acute Pancreatitis31 topic
  10. Chronic Pancreatitis31 topic
  11. Endoscopic Resection31 topic
  12. Endoscopic Stenting31 topic
  13. Esophageal Perforation31 topic
  14. Helicobacter pylori31 topic
  15. Imatinib Mesylate31 topic
  16. Inflammation31 topic
  17. Molecular Characterization31 topic
  18. Pancreatic Cancer31 topic
  19. Sunitinib31 topic
  20. Surgical Complications31 topic

Where does Toshio Shimayama work?

Toshio Shimayama's main affiliation in the publication record is Miyazaki Medical Association Hospital, Japan.

How many publications and citations does Toshio Shimayama have?

OpenAlex counts 29 works and 70 citations for Toshio Shimayama, an h-index of 5, ranking #7,360,237 of 7,710,434 researchers worldwide on the quality 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 have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

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