1. The incidences of metachronous multiple gastric cancer after various types of gastrectomy: analysis of data from a nationwide Japanese survey
- Author
-
Masaki Aizawa, Hiroshi Kusanagi, Satoshi Kamiya, Hiroshi Miyamoto, Koshi Kumagai, Takaomi Takahata, Shinichi Kinami, Kenta Kobayashi, Takeo Kosaka, Muneharu Fujisaki, Kei Hosoda, Marie Washio, Makoto Toda, and Hiroharu Yamashita
- Subjects
Cancer Research ,medicine.medical_specialty ,Proximal gastrectomy ,Endoscopic Mucosal Resection ,medicine.medical_treatment ,Pylorus preserving gastrectomy ,Gastroenterology ,Postoperative Complications ,Japan ,Gastrectomy ,Stomach Neoplasms ,Surgical oncology ,Surveys and Questionnaires ,Internal medicine ,Gastric Stump ,medicine ,Humans ,Metachronous gastric cancer ,business.industry ,Incidence ,Stomach ,Incidence (epidemiology) ,Cancer ,Neoplasms, Second Primary ,General Medicine ,Endoscopic submucosal dissection ,medicine.disease ,Function preserving gastrectomy ,medicine.anatomical_structure ,Oncology ,Original Article ,business ,Abdominal surgery - Abstract
Background The incidence of metachronous multiple gastric cancer (MMGC) after gastrectomy remains unclear. This study evaluated the incidences of MMGC according to specific gastrectomy types, including pylorus-preserving gastrectomy (PPG), proximal gastrectomy (PG), and function-preserving gastrectomy (FPG), which was categorized as segmental gastrectomy and local resection. Methods We conducted a questionnaire survey of the Japanese Society for Gastro-Surgical Pathophysiology members, who were asked to report their institutional numbers of radical gastrectomy cases for cancer between 2003 and 2012. The cases were categorized according to whether the remnant stomach’s status was followed for > 5 years, confirmation of MMGC, time to diagnosis, and treatment for MMGC. We calculated the “precise incidence” of MMGC by dividing the number of MMGC cases by the number of cases in which the status of remnant stomach was followed up for > 5 years. Results The responses identified 33,731 cases of gastrectomy. The precise incidences of MMGC were 2.35% after distal gastrectomy (DG), 3.01% after PPG, 6.28% after PG (p p p p Conclusions The incidence of MMGC was 2.4% after DG, and higher incidences were observed for larger stomach remnants. However, the proportion of cases in which MMGC could be treated using endoscopic submucosal dissection was significantly higher after PG and FPG than after DG.
- Published
- 2020