2017
DOI: 10.1038/modpathol.2017.36
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Early Barrett esophagus-related neoplasia in segments 1 cm or longer is always associated with intestinal metaplasia

Abstract: The assumption that intestinal metaplasia is a prerequisite for intraepithelial neoplasia/dysplasia and adenocarcinoma in the distal esophagus has been challenged by observations of adenocarcinoma without associated intestinal metaplasia. This study describes our experience of intestinal metaplasia in association with early Barrett neoplasia in distal esophagus and gastroesophageal junction. We reviewed the first endoscopic mucosal resection of 139 patients with biopsy-proven neoplasia. In index endoscopic muc… Show more

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Cited by 9 publications
(4 citation statements)
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“…While there have been studies showing that some oesophageal adenocarcinomas arise in the absence of intestinal metaplasia (IM), 7,8 there are other studies showing that virtually all high-grade dysplasia and adenocarcinomas are associated with IM. 9,10 According to American and Australian Guidelines, CLO without IM alone is not considered as an indication for surveillance, as it does not satisfy the diagnostic criteria for a diagnosis of Barrett's oesophagus. However, due to concern over sampling and some small studies suggesting equal risk with CLO, 8,11,12 current British guidelines do not require IM for a diagnosis of Barrett's oesophagus, and recommend surveillance in all patient with intestinal metaplasia or CLO ≥3 cm.…”
Section: Non-neoplastic Barrett's Oesophagusmentioning
confidence: 99%
See 1 more Smart Citation
“…While there have been studies showing that some oesophageal adenocarcinomas arise in the absence of intestinal metaplasia (IM), 7,8 there are other studies showing that virtually all high-grade dysplasia and adenocarcinomas are associated with IM. 9,10 According to American and Australian Guidelines, CLO without IM alone is not considered as an indication for surveillance, as it does not satisfy the diagnostic criteria for a diagnosis of Barrett's oesophagus. However, due to concern over sampling and some small studies suggesting equal risk with CLO, 8,11,12 current British guidelines do not require IM for a diagnosis of Barrett's oesophagus, and recommend surveillance in all patient with intestinal metaplasia or CLO ≥3 cm.…”
Section: Non-neoplastic Barrett's Oesophagusmentioning
confidence: 99%
“…Intestinal‐type metaplastic mucosa is biologically unstable, with the greatest risk of neoplastic progression through dysplasia to adenocarcinoma. While there have been studies showing that some oesophageal adenocarcinomas arise in the absence of intestinal metaplasia (IM), 7,8 there are other studies showing that virtually all high‐grade dysplasia and adenocarcinomas are associated with IM 9,10 …”
Section: Non‐neoplastic Barrett’s Oesophagusmentioning
confidence: 99%
“…41,42 Instead of focusing on the epithelium directly adjacent to early esophageal adenocarcinomas, investigators looking for any intestinal metaplasia in endoscopic mucosal resection specimens have typically found it. 43,44 Allanson and colleagues recently reported intestinal metaplasia in 79% of 139 such specimens. Including intestinal metaplasia found in previous or subsequent specimens, the frequency was 86%.…”
Section: Differing Viewpoints On the Requirement Of Intestinal Metaplmentioning
confidence: 99%
“…[1][2][3][4][5][6] Esta condición constituye un factor de riesgo de gran importancia en el desarrollo de ACE, debido al riesgo de progresión metaplasia -displasia -carcinoma. [7][8][9][10][11][12] Los factores de riesgo asociados al EB son la edad (mayor a 50 años), el sexo (masculino), la presencia de RGE crónico o mayor a 5 años y obesidad central. 2,3,6,13 Los factores de riesgo asociados a la progresión del EB hacia displasia/ACE son la edad avanzada, longitud de EB > 3 cm, obesidad central y TBQ.…”
Section: Introductionunclassified