Abstract:
BACKGROUND:The objective of three-dimensional (3-D) endoscopic ultrasonography (EUS) is to recognize lesions stereoscopically. METHODS AND RESULTS:We investigated a total of 43 lesions in the upper gastrointestinal (GI) tract by regenerating 3-D images in eight cases of oesophageal cancer, two cases of oesophageal submucosal tumour, two oesophageal varices, two cases of achalasia, 27 gastric cancers, one gastric carcinoid, and one duodenal submucosal tumour. Using a prototype system (Fujinon, Omiya, Japan), we reconstructed 3-D images from conventional EUS images taken by a thin ultrasound probe (Sonoprobe, SP-701, Fujinon) having a radial-linear scanning mode. The basic 3-D images could be obtained in a short period during EUS performed using the conventional thin-ultrasound probe. The acceptable quality level of the reconstructed 3-D images was 37% (57% in the oesophagus, 25% in the stomach and 100% in the duodenum). Deterioration of 3-D images was due to a wobbling of linear scanning mainly caused by peristalsis of the GI tract, cardiac impulses, and respiration. CONCLUSIONS:Our study has proved that the simple and speedy 3-D display system built using the existing linear-radial switchable probe is easily applicable to clinical cases.
journal_name
J Gastroenterol Hepatoljournal_title
Journal of gastroenterology and hepatologyauthors
Tokiyama H,Yanai H,Nakamura H,Takeo Y,Yoshida T,Okita Kdoi
10.1046/j.1440-1746.1999.02031.xsubject
Has Abstractpub_date
1999-12-01 00:00:00pages
1212-8issue
12eissn
0815-9319issn
1440-1746journal_volume
14pub_type
杂志文章abstract::We evaluated the clinical usefulness of a protein induced by vitamin K absence, antagonist-prothrombin (PIVKA-II), in detecting hepatocellular carcinoma (HCC) specifically in patients with liver cirrhosis, and the possible correlation between levels of PIVKA-II and pathological features of HCC. Plasma levels of PIVKA-...
journal_title:Journal of gastroenterology and hepatology
pub_type: 杂志文章
doi:10.1111/j.1440-1746.1992.tb00925.x
更新日期:1992-01-01 00:00:00
abstract:BACKGROUND AND AIM:Helicobacter pylori infection in gastric mucosa is a form of chronic active gastritis that leads to expression of inducible nitric oxide synthase in host macrophages and polymorphonuclear leukocytes. Nitric oxide produced by these cells infiltrating the gastric mucosa could damage DNA. We correlated ...
journal_title:Journal of gastroenterology and hepatology
pub_type: 杂志文章
doi:10.1046/j.1440-1746.2003.03013.x
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journal_title:Journal of gastroenterology and hepatology
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journal_title:Journal of gastroenterology and hepatology
pub_type: 杂志文章,meta分析,评审
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更新日期:2016-06-01 00:00:00
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pub_type: 杂志文章
doi:10.1046/j.1440-1746.2002.02658.x
更新日期:2002-01-01 00:00:00
abstract:BACKGROUND:The clinicopathological profiles and outcome of chronic hepatitis B can differ by hepatitis B virus (HBV) genotypes. In Japan, genotype B and C are two major HBV genotypes. The basic core promoter and precore mutations are other known viral factors for disease activity, although the relationship between HBV ...
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doi:10.1111/j.1440-1746.2004.03572.x
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journal_title:Journal of gastroenterology and hepatology
pub_type: 杂志文章
doi:10.1046/j.1440-1746.1999.01910.x
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pub_type: 杂志文章
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更新日期:2012-04-01 00:00:00
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journal_title:Journal of gastroenterology and hepatology
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doi:10.1111/jgh.12602
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pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1111/j.1440-1746.1992.tb00957.x
更新日期:1992-03-01 00:00:00
abstract:BACKGROUND AND AIM:Familial adenomatous polyposis (FAP) is the most common adenomatous polyposis syndrome. Patients with FAP are screened for germline mutations of two genes, APC and MUTYH. However, limited data exist on the clinical characterization and genotypic spectrum of FAP in China. This study was aimed to deter...
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更新日期:2019-09-01 00:00:00
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journal_title:Journal of gastroenterology and hepatology
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doi:10.1111/j.1440-1746.2006.04562.x
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journal_title:Journal of gastroenterology and hepatology
pub_type: 杂志文章,评审
doi:10.1046/j.1440-1746.1999.01984.x
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pub_type: 杂志文章
doi:10.1111/jgh.15058
更新日期:2020-04-15 00:00:00
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journal_title:Journal of gastroenterology and hepatology
pub_type: 杂志文章
doi:10.1111/j.1440-1746.2008.05527.x
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abstract::Helicobacter pylori infection may not be the primary cause of duodenal ulceration in cases not associated with non-steroidal anti-inflammatory drugs, but may be a secondary complication. In developing countries with a uniformly high prevalence of H. pylori infection there are marked regional differences in the prevale...
journal_title:Journal of gastroenterology and hepatology
pub_type: 杂志文章,评审
doi:10.1046/j.1440-1746.1999.02005.x
更新日期:1999-11-01 00:00:00
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doi:10.1111/j.1440-1746.2005.03923.x
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abstract:BACKGROUND AND AIM:By array-comparative genomic hybridization, we demonstrated cyclin E as one of seven genes associated with hepatocellular carcinoma (HCC) development in Ku70 DNA repair-deficient mice. We therefore explored the hypothesis that during hepatocarcinogenesis, cyclin E kinase can overcome the inhibitory e...
journal_title:Journal of gastroenterology and hepatology
pub_type: 杂志文章
doi:10.1111/jgh.12216
更新日期:2013-09-01 00:00:00