Long-Term Follow-Up Study of Gastric Adenoma/Dysplasia

Yamada, Hiroyuki; Ikegami, Mariko; Shimoda, Tadakazu; Takagi, N; Maruyama, Masataka

doi:10.1055/s-2004-814330

Cited by 126 publications

(94 citation statements)

References 7 publications

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“…Saraga et al [49] , 1987 1/64 (2) 4 yr 17/21 (81) 4 mo Lansdown et al [46] , 1990 0/7 (0) -11/13 (85) 5 mo Rugge et al [50] , 1991 12/69 (17) 1 yr 6/8 (75) 4 mo Fertitta et al [51] , 1993 7/30 (23) 10 mo 25/31 (81) 5 mo Farinati et al [52] , 1993 --16/49 (33) 1 -Di Gregorio et al [53] , 1993 6/89 (7) 2 yr 6/10 (60) 11 mo Bearzi et al [54] , 1994 8/81 (9.9) -27/44 (61) -Rugge et al [55] , 1994 13/90 (14) 2 yr 14/18 (78) 9 mo Kolodziejczyk et al [56] , 1994 2/35 1 (5.7 2 ) -7/7 (100) -Kokkola et al [57] , 1996 0/9 (0) -2/3 (67) 1.5 yr Rugge et al [19] , 2003 8/90 (8.9) 4 yr 11/16 (69) 34 mo Yamada et al [58] , 2004 0/38 (0) -1/10 (10) 54 mo Park et al [59] , 2008 3 LGIN: Low-grade intraepithelial neoplasia; IN: Intraepithelial neoplasia; HGIN: High-grade intraepithelial neoplasia.…”

Section: Interval (Mean)mentioning

confidence: 99%

Treatment strategy for gastric non-invasive intraepithelial neoplasia diagnosed by endoscopic biopsy

Nishida¹

2011

WJGP

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Treatment strategies, whether as follow-up or "total incisional biopsy" for gastric noninvasive intraepithelial neoplasia diagnosed by examination of an endoscopic forceps biopsy specimen, are controversial due to problems associated with the diagnostic accuracy of endoscopic forceps biopsy and questions about the safety and efficacy of endoscopic treatment. Based on the histological findings of the biopsy specimen, it is difficult to differentiate between reactive or regenerative changes, inflammation and neoplastic changes, intraepithelial and invasive tumors. Therefore, gastric neoplasia diagnosed as noninvasive intraepithelial often develop into invasive carcinoma during follow-up. Recent advances in endoscopic modalities and treatment devices, such as image-enhanced endoscopy and highfrequency generators, may make endoscopic treatment, such as endoscopic submucosal dissection (ESD), a therapeutic option for gastric intraepithelial neoplasia, including low-grade neoplasms. Future studies are required to evaluate whether ESD is a valid strategy for gastric intraepithelial neoplasm with regard to safety and cost effectiveness.

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Section: Interval (Mean)mentioning

confidence: 99%

Treatment strategy for gastric non-invasive intraepithelial neoplasia diagnosed by endoscopic biopsy

Nishida¹

2011

WJGP

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“…In 20-40 % of cases, diagnostic discrepancy between dysplasia evident at biopsy and GC observed in the resection specimen has been reported [34,37,44]. In most cases, the lesions were thought to be cancer at the time of initial biopsy [1,[44][45][46][47]. From a Western point of view, the final diagnosis rests on examination of the surgical or ESD specimen, because there is some possibility of cancer even if the diagnosis is LGD or HGD [21,23,36,[46][47][48].…”

Section: Discussionmentioning

confidence: 99%

Comparative study of Western and Japanese criteria for biopsy-based diagnosis of gastric epithelial neoplasia

et al. 2014

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Background In Western countries, gastric cancer (GC) is diagnosed when there is histological evidence of invasion into the lamina propria or beyond the submucosa. In Japan and some other countries, however, diagnosis of GC is based on the degree of structural and cytological abnormality of tumor glands. The aim of the present study was to compare the accuracy of the Western and Japanese criteria for diagnosis of GC. Methods The study included 233 consecutive patients with a postoperative diagnosis of submucosal invasive GC who underwent gastrectomy or endoscopic submucosal dissection. All pretreatment biopsy specimens were independently reviewed by two experts in gastrointestinal pathology employing both the Western and Japanese diagnostic criteria. Diagnostic agreement between pretreatment biopsy specimens and the corresponding resected specimens was evaluated, together with the interobserver agreement for each of the criteria. Results On the basis of the Western and Japanese criteria, the pretreatment biopsy diagnosis was noncancerous (including dysplasia) in 44 lesions and 1 lesion, respectively. Diagnostic accuracy based on biopsy was 81.1 % for the Western criteria and 99.5 % for the Japanese criteria (P \ 0.001). Interobserver agreement based on the Western and Japanese criteria was 73.8 % and 96.5 %, respectively (P \ 0.001). Invasion into the submucosa was detected by biopsy in only 25 cases. Conclusions The Japanese criteria are significantly more accurate for pretreatment biopsy diagnosis of GC. The Western criteria could lead to underdiagnosis of a lesion as high-grade dysplasia, even if submucosal invasive cancer is present.

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“…The reported incidence of gastric adenoma associated with synchronous gastric cancer varies from 3.6% to 8.7% (3,5,6). The prevalence of carcinomatous transformation in adenomas is reported to be from 2.1% to 21.2% (4,(7)(8)(9)(10).…”

Section: Introductionmentioning

confidence: 99%

Predictive factors suggesting an underestimation of gastric lesions initially diagnosed as adenomas by forceps biopsy

Yang²,

Yun³

et al. 2016

Turk J Gastroenterol

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Long-Term Follow-Up Study of Gastric Adenoma/Dysplasia

Cited by 126 publications

References 7 publications

Treatment strategy for gastric non-invasive intraepithelial neoplasia diagnosed by endoscopic biopsy

Treatment strategy for gastric non-invasive intraepithelial neoplasia diagnosed by endoscopic biopsy

Comparative study of Western and Japanese criteria for biopsy-based diagnosis of gastric epithelial neoplasia

Predictive factors suggesting an underestimation of gastric lesions initially diagnosed as adenomas by forceps biopsy

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