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Minimum resection length to ensure a pathologically negative distal margin and a larger remnant stomach for esophagogastric junction cancer.
Gastric Cancer
January 2025
Department of Gastroenterological Surgery, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan.
Background: Ensuring a pathologically negative distal margin (DM) and preserving a larger remnant stomach is important for proximal gastrectomy (PG) in patients with esophagogastric junction (EGJ) cancer. However, the minimum DM length for ensuring negative margins has not been identified.
Methods: We enrolled patients undergoing PG or total gastrectomy for EGJ cancer.
A comparison of the clinicopathological features and genetic alterations in stage II/III gastric cancer with no recurrence, early recurrence and late recurrence after curative surgery.
J Chin Med Assoc
November 2024
School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC.
Background: Few studies have explored the genetic changes and clinicopathological features of stage II/III gastric cancer (GC) patients with no tumor recurrence, early recurrence, or late recurrence after curative surgery.
Methods: In this study, 376 patients who underwent curative surgery for stage II/III GC were analyzed. The clinical and genetic features of patients with no recurrence, early recurrence (<2 years), and late recurrence (≥2 years) were compared.
Advancements in Endoscopic Treatment for Gastric Subepithelial Tumors.
Gut Liver
January 2025
Department of Gastroenterology, Graduate School of Medicine, Nippon Medical School, Tokyo, Japan.
Peroral flexible endoscopy is a minimally invasive technique that enables the local resection of gastric subepithelial tumors (SETs) with malignant potential. Resection techniques are mainly chosen on the basis of the lesion size. Minute SETs less than 1 cm should be managed through a watch and wait strategy, with the exception of histologically diagnosed superficial lesions, which require endoscopic mucosal resection or endoscopic submucosal dissection.
View Article and Find Full Text PDFEndoscopic mucosal resection and open-lid submucosal biopsy for the diagnosis of diffuse infiltrative gastric cancer: a retrospective observational study.
Scand J Gastroenterol
December 2024
Department of Gastroenterology and Hepatology, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan.
Background And Study Aims: Diffuse infiltrative gastric cancer can be difficult to diagnose owing to a lack of endoscopic features in the superficial mucosa. Moreover, a forceps biopsy may not reveal a pathological diagnosis. We aimed to evaluate the diagnostic yield and safety of endoscopic mucosal resection (EMR) and 'open-lid submucosal biopsy', a technique wherein EMR followed by biopsy of the ulcer floor is performed for a pathological diagnosis.
View Article and Find Full Text PDFObjectives: The efficacy and safety of a sedation regimen combining dexmedetomidine and midazolam during endoscopic submucosal dissection for upper gastrointestinal tumors remains unclear. In this study, we aimed to evaluate the efficacy and safety of this sedation regimen, where non-anesthesiologists performed sedation.
Methods: Sixty-eight patients who underwent endoscopic submucosal dissection for upper gastrointestinal tumors, sedated by non-anesthesiologists, were retrospectively evaluated.
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