Tomoki Koyama

Recurrent gastrointestinal stromal tumor (GIST) of the stomach associated with a novel c-kit mutation after imatinib treatment

Tomoki Koyama, Hiroshi Nimura, Katsutoshi Kobayashi et al. · Gastric Cancer · 2006 · 14 citations · Full text

Medicine, Molecular Genetics, Oncology +15

Detection of sentinel nodes by a novel red‐fluorescent dye, ATX‐S10Na (II), in an orthotopic xenograft rat model of human gastric carcinoma

Tomoki Koyama, Akihito Tsubota, K Nariai et al. · Lasers in Surgery and Medicine · 2006 · 13 citations · Full text

Medicine, Oncology, Pathology +17

Gastric calcifying fibrous tumor suspected to be complicated with immunoglobulin G4-related disease treated by laparoscopy and endoscopy cooperative surgery: a case report

Ryoga Hamura, Tomoki Koyama, Masahiko Kawamura et al. · Surgical Case Reports · 2019 · 11 citations · Full text

Medicine, Oncology, Pathology +17

In the non-cirrhotic stage of nonalcoholic steatohepatitis, angioarchitecture of portal veins and lobular architecture are maintained

Hiroshi Hano, Satoshi Takasaki, Hirohiko Kobayashi et al. · Archiv für Pathologische Anatomie und Physiologie und für Klinische Medicin · 2013 · 10 citations · Full text

Medicine, Anatomy, Pathology +17