Katsutoshi Obara

GENERAL RULES FOR RECORDING ENDOSCOPIC FINDINGS OF ESOPHAGOGASTRIC VARICES (2ND EDITION)

Takashi Tajiri, Hiroshi Yoshida, Katsutoshi Obara et al. · Digestive Endoscopy · 2009 · 310 citations · Full text

Medicine, Internal Medicine, Radiology +13

Endoscopic recurrence of esophageal varices is associated with the specific EUS abnormalities: Severe periesophageal collateral veins and large perforating veins

Atsushi Irisawa, Ayako Saito, Katsutoshi Obara et al. · Gastrointestinal Endoscopy · 2001 · 132 citations

Medicine, Internal Medicine, Surgery +14

Endoscopic ultrasound-guided fine-needle aspiration of solid pancreatic masses with rapid on-site cytological evaluation by endosonographers without attendance of cytopathologists

Takuto Hikichi, Atsushi Irisawa, Manoop S. Bhutani et al. · Journal of Gastroenterology · 2009 · 131 citations

Medicine, Oncology, Pathology +16

EUS analysis of collateral veins inside and outside the esophageal wall in portal hypertension

Katsutoshi Obara, Yukio Sato, Ayako Saito et al. · Gastrointestinal Endoscopy · 1999 · 93 citations

Medicine, Anatomy, Internal Medicine +17

Comparative study of diagnostic value of cytologic sampling by endoscopic ultrasonography‐guided fine‐needle aspiration and that by endoscopic retrograde pancreatography for the management of pancreatic mass without biliary stricture

Takeru Wakatsuki, Atsushi Irisawa, Manoop S. Bhutani et al. · Journal of Gastroenterology and Hepatology · 2005 · 84 citations

Medicine, Oncology, Pathology +17