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At least 19 recordsLinked to original sources
PubMed2006

Endoscopic submucosal dissection for stomach neoplasms.

Recent advances in techniques of therapeutic endoscopy for stomach neoplasms are rapidly achieved. One of the major topics in this field is endoscopic submucosal dissection (ESD). ESD is a new endoscopic technique using cutting devices to remove the tumor by the following three steps: injecting fluid into the submucosa to elevate the tumor from the muscle layer, pre-cutting the surrounding mucosa of the tumor, and dissecting the connective tissue of the submucosa beneath the tumor. So the tumors are resectable in an en bloc fashion, regardless of the size, shape, coexisting ulcer, and location. Indication for ESD is strictly confined by two aspects: the possibility of nodal metastases and technical difficulty, which depends on the operators. Although long-term outcome data are still lacking, short-term outcomes of ESD are extremely favourable and laparotomy with gastrectomy is replaced with ESD in some parts of therapeutic strategy for early gastric cancer.

Endoscopy, Gastrointestinal↗
PubMed1990

Carcinogenicity of naturally occurring 1-hydroxyanthraquinone in rats: induction of large bowel, liver and stomach neoplasms.

The carcinogenic potential of 1-hydroxyanthraquinone (HA), a naturally occurring compound, was examined. A total of 60 male ACI/N rats, 1.5 months old at the commencement were divided into two groups. Group 1 (30 rats) were fed the diet containing HA at a concentration of 1% throughout the experiment (480 days). Group 2 (30 rats) served as the control given a basal diet alone. Twenty-five of 29 effective animals in group 1 developed adenomas or adenocarcinomas in the cecum or upper portion of the colon, the mean number of large bowel tumors/tumor bearing rat being 2.3. In addition to these intestinal tumors, liver neoplasms (neoplastic nodules and hepatocellular carcinomas) were observed in 12 rats and benign stomach tumors were obtained in five animals; no rats of group 2 demonstrating development of any of these tumor types. The incidences of the large bowel, liver and stomach neoplasms in group 1 were all significant as compared with group 2 (P less than 2 x 10(-13), P less than 5 x 10(-5) and P less than 3 x 10(-2) respectively) clearly indicating that HA is carcinogenic in rats.

Animals↗