We review the current state of research in endoscopic optical coherence tomography (OCT).
We first survey the range of available endoscopic optical imaging techniques. We then …

Endoscopic diagnosis of Helicobacter pylori (H. pylori) infection, the most common cause of
gastric cancer, is very important to clarify high‐risk patients of gastric cancer for reducing …

The Japan Gastroenterological Endoscopy Society developed the Guideline for Endoscopic
Diagnosis of Early Gastric Cancer based on scientific methods. Endoscopy for the diagnosis …

If detected early, oral cancer is eminently curable. However, survival rates for oral cancer
patients remain low, largely due to late-stage diagnosis and subsequent difficulty of …

OBJECTIVES Colonoscopy is considered the gold standard for the detection of colorectal
polyps; however, polyps can be missed with conventional white light (WL) colonoscopy. The …

Although AFI may enhance lesion detection or differentiation in the GI tract, the technique
currently lacks sufficient specificity to make it useful as a stand-alone diagnostic modality …

Background and Aim: Recent endoscopic imaging techniques for recognition of unclear
lesions in the stomach (eg narrow band imaging, magnifying endoscopy) require special …

Superficial non-ampullary duodenal epithelial tumor (SNADET) is defined as a sporadic
tumor that is confined to the mucosa or submucosa that does not arise from Vater's papilla …

Peroral cholangiopancreatoscopy (PCPS) 1–7 and percutaneous transhepatic
cholangioscopy (PTCS) 8–13 have been developed over the past three decades to enable …

Esophageal cancer is a disease with high mortality. In order to improve the 5 year survival
rate after cancer treatment, it is important to develop a method for early detection of the …