Hiroki Sonoyama

Fecal Calprotectin More Accurately Predicts Endoscopic Remission of Crohnʼs Disease than Serological Biomarkers Evaluated Using Balloon-assisted Enteroscopy

Kousaku Kawashima, Shunji Ishihara, Takafumi Yuki et al. · Inflammatory Bowel Diseases · 2017 · 58 citations

Fecal calprotectin level correlated with both endoscopic severity and disease extent in ulcerative colitis

Kousaku Kawashima, Shunji Ishihara, Takafumi Yuki et al. · BMC Gastroenterology · 2016 · 57 citations · Full text

Capabilities of fecal calprotectin and blood biomarkers as surrogate endoscopic markers according to ulcerative colitis disease type

Hiroki Sonoyama, Kousaku Kawashima, Shunji Ishihara et al. · Journal of Clinical Biochemistry and Nutrition · 2019 · 36 citations · Full text

Downregulation of serotonin reuptake transporter gene expression in healing colonic mucosa in presence of remaining low‐grade inflammation in ulcerative colitis

Yasumasa Tada, Shunji Ishihara, Kousaku Kawashima et al. · Journal of Gastroenterology and Hepatology · 2015 · 32 citations

The Natural History of a Hepatic Angiosarcoma that was Difficult to Differentiate from Cavernous Hemangioma

Akihiro Okano, Hiroki Sonoyama, Yuuki Masano et al. · Internal Medicine · 2012 · 31 citations · Full text

69-Year Old Man, Abdominal Pain, Hepatology +15