Abstract:
:Endoscopy can be used to monitor the onset of metaplastic transformation and to observe the progression of neoplasia in small animal models of Barrett's esophagus. By avoiding animal sacrifice, the natural history of this disease can be studied in a longitudinal fashion. We aim to characterize the endoscopic features of esophageal mucosa at various stages of the metaplasia-dysplasia-carcinoma sequence in a rat reflux model of Barrett's for comparison with histology. Acid and bile reflux was produced by introducing a side-to-side esophago-gastro-jejunostomy in Sprague-Dawley rats. Endoscopic examination of the distal esophagus was performed in 24 surgically altered and 4 control rats, between weeks 24 and 36 after the operation in 4-week intervals, and all rats were biopsied and sacrificed at 36 weeks. Endoscopic images were classified based on the surface mucosal patterns of the distal esophagus and then compared with histology. The endoscopic appearance was classified as: (i) normal, characterized by a smooth surface; (ii) intestinal metaplasia, defined as elevated plaques/ridges, deep grooves, and thin linear folds; (iii) dysplasia, indicated by coarse folds/grooves, meshlike villi, and foveolar appearance; and (iv) carcinoma, suggested by irregular-shaped mass lesions with ulcerations. The endoscopic criteria for intestinal metaplasia yielded a sensitivity of 100% in comparison with histology. Intestinal metaplasia with high-grade dysplasia was found in two rats and with low-grade dysplasia in three rats. Both focally invasive squamous cell carcinoma and invasive adenocarcinoma were found in one rat. Small animal endoscopy in a rat model of Barrett's esophagus can be used to perform surveillance, classify mucosal patterns, observe the onset of intestinal metaplasia, and monitor the progression of neoplastic transformation, representing a useful tool for studying the natural history of this disease.
journal_name
Dis Esophagusjournal_title
Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagusauthors
Lu S,Lowe AW,Triadafilopoulos G,Hsiung PL,Hao Y,Crawford JM,Wang TDdoi
10.1111/j.1442-2050.2008.00909.xsubject
Has Abstractpub_date
2009-01-01 00:00:00pages
323-30issue
4eissn
1120-8694issn
1442-2050pii
DES909journal_volume
22pub_type
杂志文章abstract::We report a case of a patient with esophageal tuberculosis, a very uncommon form of extrapulmonar tuberculosis. Initially, because of constitutional symptomatology and radiological findings of mediastinal lymph node enlargement, lymphoma was considered. However, the endoscopic findings of ulcerative masses and a sinus...
journal_title:Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus
pub_type: 杂志文章
doi:
更新日期:1998-01-01 00:00:00
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journal_title:Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus
pub_type: 杂志文章
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journal_title:Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus
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journal_title:Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus
pub_type: 杂志文章,评审
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journal_title:Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus
pub_type: 杂志文章,评审
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journal_title:Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus
pub_type: 杂志文章
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journal_title:Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus
pub_type: 杂志文章
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更新日期:1997-07-01 00:00:00
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journal_title:Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus
pub_type: 杂志文章
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journal_title:Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus
pub_type: 杂志文章
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journal_title:Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus
pub_type: 杂志文章
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更新日期:2007-01-01 00:00:00
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journal_title:Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus
pub_type: 杂志文章
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更新日期:2017-03-01 00:00:00
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journal_title:Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus
pub_type: 杂志文章
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更新日期:2011-01-01 00:00:00
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journal_title:Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus
pub_type: 杂志文章
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更新日期:2020-09-04 00:00:00
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journal_title:Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus
pub_type: 杂志文章
doi:10.1111/j.1442-2050.2006.00599.x
更新日期:2006-01-01 00:00:00
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journal_title:Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus
pub_type: 杂志文章
doi:10.1093/dote/doaa014
更新日期:2020-11-18 00:00:00
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journal_title:Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus
pub_type: 杂志文章
doi:10.1111/j.1442-2050.2007.00743.x
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abstract::The distribution of lymph node metastases of adenocarcinomas of the gastroesophageal junction is classified into three types. The R0 resection with complete lymphadenectomy therefore requires different resection methods for type 1 and type 2/3 tumors. Comparing the subtotal esophagectomy and the extended gastrectomy, ...
journal_title:Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus
pub_type: 杂志文章
doi:10.1046/j.1442-2050.2001.00167.x
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journal_title:Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus
pub_type: 杂志文章,评审
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journal_title:Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus
pub_type: 杂志文章,随机对照试验
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pub_type: 杂志文章
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journal_title:Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus
pub_type: 杂志文章
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journal_title:Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus
pub_type: 杂志文章
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journal_title:Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus
pub_type: 临床试验,杂志文章,随机对照试验
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journal_title:Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus
pub_type: 杂志文章
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journal_title:Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus
pub_type: 杂志文章,多中心研究
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journal_title:Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus
pub_type: 杂志文章
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abstract::Columnar-lined lower esophagus (CLE) or Barrett's esophagus (BE) is caused by chronic reflux of the gastrointestinal tract and can progress to invasive adenocarcinoma. However, the pathophysiology, cell of origin, and management of this condition is incompletely understood. This review evaluates the role of in vivo mo...
journal_title:Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus
pub_type: 杂志文章,评审
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journal_title:Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus
pub_type: 共识发展会议,杂志文章,实务指引
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abstract::The aim of this study was to evaluate the effectiveness of floppy Nissen fundoplication with intraoperative esophageal manometry. Between February 1992 and July 2004, there were 102 patients with sliding hiatal hernia undergoing transabdominal Nissen fundoplication. They were divided into three groups: 27 patients wer...
journal_title:Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus
pub_type: 杂志文章
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abstract::Gastroesophageal reflux disease (GERD) is common in obese patients. The implications of obesity in the etiology, management and outcomes in treatment for GERD have become increasingly important due to an epidemic of obesity. The increasing prevalence of patients with both obesity and GERD merits evaluation of the appr...
journal_title:Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus
pub_type: 杂志文章,评审
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更新日期:2006-01-01 00:00:00