Comprehensive Analysis of Barrett’s Esophagus: Focused on Carcinogenic Potential for Barrett’s Cancer in Japanese Patients View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2020-08-25

AUTHORS

Kentaro Ishikawa, Kenichiro Okimoto, Tomoaki Matsumura, Yosuke Hirotsu, Kenji Amemiya, Takashi Kishimoto, Naoki Akizue, Yuki Ohta, Keiko Saito, Daisuke Maruoka, Motoi Nishimura, Kazuyuki Matsushita, Hitoshi Mochizuki, Makoto Arai, Jun Kato, Osamu Yokosuka, Masao Omata, Naoya Kato

ABSTRACT

Background/AimBarrett’s esophagus (BE) is a precursor of esophageal adenocarcinoma (EAC). Therefore, an accurate diagnosis of BE is important for the subsequent follow-up and early detection of EAC. However, the definitions of BE have not been standardized worldwide; columnar-lined epithelium (CLE) without intestinal metaplasia (IM) and/or < 1 cm is not diagnosed as BE in most countries. This study aimed to clarify the malignant potential of CLE without IM and/or < 1 cm genetically.MethodA total of 96 consecutive patients (including nine patients with EAC) who had CLE were examined. Biopsies for CLE were conducted, and patients were divided into those with IM and > 1 cm (Group A) and those without IM and/or < 1 cm (Group B). Malignant potential was assessed using immunochemical staining for p53. Moreover, causative genes were examined using next-generation sequencing (NGS) on ten patients without Helicobacter pylori infection and without atrophic gastritis.ResultOf the 96 patients, 66 were in Group B. The proportion of carcinoma/dysplasia in Group A was significantly higher than that in Group B (26.7% in Group A and 1.5% in Group B; p < 0.01). However, one EAC patient was found in Group B. In the immunostaining study for non-EAC patients, an abnormal expression of p53 was not observed in Group A, whereas p53 loss was observed in three patients (4.6%) in Group B. In the NGS study, a TP53 mutation was found in Group B.ConclusionCLE without IM and/or < 1 cm has malignant potential. This result suggests that patients with CLE as well as BE need follow-up. More... »

PAGES

2674-2681

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s10620-020-06563-1

DOI

http://dx.doi.org/10.1007/s10620-020-06563-1

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1130314827

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/32840705


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22 schema:description Background/AimBarrett’s esophagus (BE) is a precursor of esophageal adenocarcinoma (EAC). Therefore, an accurate diagnosis of BE is important for the subsequent follow-up and early detection of EAC. However, the definitions of BE have not been standardized worldwide; columnar-lined epithelium (CLE) without intestinal metaplasia (IM) and/or < 1 cm is not diagnosed as BE in most countries. This study aimed to clarify the malignant potential of CLE without IM and/or < 1 cm genetically.MethodA total of 96 consecutive patients (including nine patients with EAC) who had CLE were examined. Biopsies for CLE were conducted, and patients were divided into those with IM and > 1 cm (Group A) and those without IM and/or < 1 cm (Group B). Malignant potential was assessed using immunochemical staining for p53. Moreover, causative genes were examined using next-generation sequencing (NGS) on ten patients without Helicobacter pylori infection and without atrophic gastritis.ResultOf the 96 patients, 66 were in Group B. The proportion of carcinoma/dysplasia in Group A was significantly higher than that in Group B (26.7% in Group A and 1.5% in Group B; p < 0.01). However, one EAC patient was found in Group B. In the immunostaining study for non-EAC patients, an abnormal expression of p53 was not observed in Group A, whereas p53 loss was observed in three patients (4.6%) in Group B. In the NGS study, a TP53 mutation was found in Group B.ConclusionCLE without IM and/or < 1 cm has malignant potential. This result suggests that patients with CLE as well as BE need follow-up.
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