2012
DOI: 10.4143/crt.2012.44.3.157
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Current Trends of the Incidence and Pathological Diagnosis of Gastroenteropancreatic Neuroendocrine Tumors (GEP-NETs) in Korea 2000-2009: Multicenter Study

Abstract: PurposeAs a result of various independently proposed nomenclatures and classifications, there is confusion in the diagnosis and prediction of biological behavior of gastroenteropancreatic neuroendocrine tumors (GEP-NETs). A comprehensive nationwide study is needed in order to understand the biological characteristics of GEP-NETs in Korea.Materials and MethodsWe collected 4,951 pathology reports from 29 hospitals in Korea between 2000 and 2009. Kaplan-Meier survival analysis was used to determine the prognostic… Show more

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Cited by 194 publications
(194 citation statements)
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“…The most common were NENG1 by WHO 2010 (64% of cases), which is consistent with other studies [11][12][13]. NENG1 predominated among appendiceal, rectal, gastric, and small intestinal NEN.…”
Section: Discussionsupporting
confidence: 90%
See 1 more Smart Citation
“…The most common were NENG1 by WHO 2010 (64% of cases), which is consistent with other studies [11][12][13]. NENG1 predominated among appendiceal, rectal, gastric, and small intestinal NEN.…”
Section: Discussionsupporting
confidence: 90%
“…NENG1 predominated among appendiceal, rectal, gastric, and small intestinal NEN. In the presented group, like in the German [14] or Korean [13] registers, well-differentiated tumours comprised the majority of cases regardless of the primary neoplasm location. Similarly to the report by Niederle et al, [11] in our series NEC comprised less than 10% of all cases.…”
Section: Discussionmentioning
confidence: 55%
“…In Western nations, 30-60 % of GEP-NETs are derived from midgut [2,13,14] in contrast to the Japanese data. The epidemiology of GEP-NETs was recently reported in Asian nations including Taiwan [15], China [16], and Korea [17,18]. Interestingly, the prevalence of patients with midgut NETs in these nations is low like Japan, indicating ethnic differences between Asians and Western populations.…”
Section: Discussionmentioning
confidence: 99%
“…Before the present survey was conducted, the frequency of NEC among GEP-NETs in Japan was not clear. A Korean study [17] reports that the frequency of NECs among all GEP-NETs is 2.84 %. Meanwhile, in the present survey, the frequency of NEC among all GEP-NETs in Japan was 6.7 % (225/3,366).…”
Section: Discussionmentioning
confidence: 99%
“…The molecular genetic mechanism by which NETs develop is complex and remains largely unknown (16). The majority of NETs were once considered carcinoid tumors, but recently the term 'neuroendocrine' has been accepted for use instead of 'carcinoid' to more appropriately describe the malignant potential of these tumors (17). Although NETs may develop in almost any organ of the body, they predominate within the pancreas and the gastrointestinal tract.…”
Section: Introductionmentioning
confidence: 99%