Results 161 to 170 of about 47,512 (271)
DEN Open, Volume 6, Issue 1, April 2026.Abstract Traditionally, pharyngeal cancer was detected at an advanced stage, as examinations were usually performed only after symptoms such as pain or dysphagia appeared. Consequently, it was considered a malignancy with a poor prognosis. However, recent advances in image‐enhanced endoscopy (IEE) have facilitated the early detection of superficial ...
Daisuke Kikuchi +4 more
wiley +1 more source
DEN Open, Volume 6, Issue 1, April 2026.ABSTRACT A female patient in her 60s tested positive for the fecal occult blood test while undergoing health screening. Colonoscopy revealed a 15‐mm‐sized flat elevated lesion with a central depression in the sigmoid colon. Narrow‐band imaging magnification revealed a Japan Narrow‐Band Imaging Expert Team classification of type 2B, whereas crystal ...
Masashi Kono +9 more
wiley +1 more source
DEN Open, Volume 6, Issue 1, April 2026.ABSTRACT Electrolyte depletion syndrome (EDS), also known as McKittrick–Wheelock syndrome, is a rare but life‐threatening condition caused by secretory diarrhea from colorectal villous tumors, often accompanied by severe electrolyte imbalances and renal dysfunction.
Toshifumi Iida +8 more
wiley +1 more source
DEN Open, Volume 6, Issue 1, April 2026.ABSTRACT Objectives The usefulness of endoscopic submucosal dissection (ESD) for rectal neuroendocrine tumors (NETs) is well established. However, factors influencing resection time remain unclear. This study aimed to identify these factors during ESD for rectal NETs.
Shinya Nakatani +12 more
wiley +1 more source
DEN Open, Volume 6, Issue 1, April 2026.ABSTRACT Endoscopic mucosal resection (EMR) has been widely adopted as an endoscopic treatment for colorectal tumors. However, in non‐lifting lesions, EMR often becomes technically challenging, leading to piecemeal resection or residual tumor. Recently, underwater EMR (UEMR) has been developed as a novel technique that allows mucosal and submucosal ...
Hiroshi Sawaguchi +4 more
wiley +1 more source
DEN Open, Volume 6, Issue 1, April 2026.ABSTRACT Alpha‐fetoprotein‐producing gastric cancer (AFPGC) is a rare histological subtype of gastric cancer that is often diagnosed at an advanced stage. In the present case, an elevated lesion was detected in the gastric antrum during upper gastrointestinal endoscopy screening and diagnosed as early gastric cancer of cT1a.
Kohei Uyama +5 more
wiley +1 more source