Rikiya Hasegawa

Sagamihara, Japan

Last Updated: 09/26/2026

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Found 34 publications

Efficacy and Safety of a 6-Month Placement of a Fully Covered Self-Expanding Metal Stent for Refractory or Recurrent Hepaticojejunostomy Anastomotic Stricture via Balloon Enteroscopy-Assisted Endoscopic Retrograde Cholangiopancreatography.

Efficacy and Safety of a 6-Month Placement of a Fully Covered Self-Expanding Metal Stent for Refractory or Recurrent Hepaticojejunostomy Anastomotic Stricture via Balloon Enteroscopy-Assisted Endoscopic Retrograde Cholangiopancreatography.

Journal: DEN open

Published: April 24, 2025

Effectiveness of endoscopic ultrasound-guided tissue acquisition with stereomicroscopic on-site evaluation for preoperative diagnosis of resectable or borderline resectable pancreatic cancer: a prospective study.

Effectiveness of endoscopic ultrasound-guided tissue acquisition with stereomicroscopic on-site evaluation for preoperative diagnosis of resectable or borderline resectable pancreatic cancer: a prospective study.

Journal: Clinical endoscopy

Published: October 25, 2023

Pancreatic Cancer Cells May Adhere to the External Surface of the Puncture Needle After Endoscopic Ultrasound-Guided Fine-Needle Aspiration.

Pancreatic Cancer Cells May Adhere to the External Surface of the Puncture Needle After Endoscopic Ultrasound-Guided Fine-Needle Aspiration.

Journal: Pancreas

Published: October 10, 2023

Implication of Skeletal Muscle Loss in the Prognosis of Patients with Pancreatic Ductal Adenocarcinoma Receiving Chemotherapy.

Implication of Skeletal Muscle Loss in the Prognosis of Patients with Pancreatic Ductal Adenocarcinoma Receiving Chemotherapy.

Journal: Internal medicine (Tokyo, Japan)

Published: February 15, 2023

Stereomicroscopic on-site evaluation in endoscopic ultrasound-guided tissue acquisition of upper gastrointestinal subepithelial lesions.

Stereomicroscopic on-site evaluation in endoscopic ultrasound-guided tissue acquisition of upper gastrointestinal subepithelial lesions.

Journal: Clinical endoscopy

Published: October 18, 2022

Usefulness of the automated multiband imaging system for EUS-FNA biopsy specimen evaluation in patients with upper gastrointestinal subepithelial lesions.

Usefulness of the automated multiband imaging system for EUS-FNA biopsy specimen evaluation in patients with upper gastrointestinal subepithelial lesions.

Journal: Endoscopic ultrasound

Published: March 22, 2022

Multicenter prospective study of the efficacy of stereomicroscopic on-site evaluation in endoscopic ultrasound-guided tissue acquisition in patients with pancreatic cancer.

Multicenter prospective study of the efficacy of stereomicroscopic on-site evaluation in endoscopic ultrasound-guided tissue acquisition in patients with pancreatic cancer.

Journal: Pancreatology : official journal of the International Association of Pancreatology (IAP) ... [et al.]

Published: December 03, 2021

Endoscopic re-intervention after stent-in-stent versus side-by-side bilateral self-expandable metallic stent deployment.

Endoscopic re-intervention after stent-in-stent versus side-by-side bilateral self-expandable metallic stent deployment.

Journal: Journal of gastroenterology and hepatology

Published: September 08, 2021

CD9-positive cells in the intermediate lobe migrate into the anterior lobe to supply endocrine cells.

CD9-positive cells in the intermediate lobe migrate into the anterior lobe to supply endocrine cells.

Journal: Histochemistry and cell biology

Published: June 21, 2021

A case of pancreatic neuroendocrine carcinoma with a favorable clinical response to pembrolizumab.

A case of pancreatic neuroendocrine carcinoma with a favorable clinical response to pembrolizumab.

Journal: Clinical journal of gastroenterology

Published: May 30, 2021

New image-processing technology for endoscopic ultrasound-guided fine-needle aspiration biopsy specimen evaluation in patients with pancreatic cancer.

New image-processing technology for endoscopic ultrasound-guided fine-needle aspiration biopsy specimen evaluation in patients with pancreatic cancer.

Journal: DEN open

Published: February 11, 2021

EUS-guided transanastomotic drainage for severe biliopancreatic anastomotic stricture using a forward-viewing echoendoscope in patients with surgically altered anatomy.

EUS-guided transanastomotic drainage for severe biliopancreatic anastomotic stricture using a forward-viewing echoendoscope in patients with surgically altered anatomy.

Journal: Endoscopic ultrasound

Published: January 21, 2021

Showing 1-12 of 34

Last Updated: 09/26/2026