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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.1
- 수록면
- 813 - 822 (10page)
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Purpose In 2010, the World Health Organization categorized L-cell type neuroendocrine tumors(NETs) as tumors of uncertain malignancy, while all others were classified as malignant.
However, the diagnostic necessity of L-cell immunophenotyping is unclear, as are tumorstage and grade that may guide diagnosis and management. To clarify the predictivemarkers of rectal neuroendocrine neoplasms (NENs), 5- and 10-year overall survival (OS)was analyzed by pathological parameters including L-cell phenotype.
Materials and MethodsA total of 2,385 rectal NENs were analyzed from our previous multicenter study and a subsetof 170 rectal NENs was immunophenotyped.
ResultsIn univariate survival analysis, tumor grade (p < 0.0001), extent (p < 0.0001), size(p < 0.0001), lymph node metastasis (p=0.0063), and L-cell phenotype (p < 0.0001)showed significant correlation with the prognosis of rectal NENs; however, none of thesemarkers achieved independent significance in multivariate analysis. The 10-year OS oftumors of NET grade 1, < 10 mm, the mucosa/submucosa was 97.58%, 99.47%, and99.03%, respectively. L-Cell marker, glucagon II (GLP-1&2), with a cut off score of > 10, isuseful in defining L-Cell type. In this study, an L-cell immunophenotype was found in 83.5%of all rectal NENs and most, but not all L-cell type tumors were NET G1, small (< 10 mm)and confined to the mucosa/submucosa.
ConclusionFrom these results, the biological behavior of rectal NENs does not appear to be determinedby L-cell type alone but instead by a combination of pathological parameters.
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참고문헌 (22)
참고문헌 신청
Bosman FT / 2010 / WHO classification of tumours of the digestive system / IARC Press
Caplin M / 2012 / ENETS Consensus Guidelines for the management of patients with digestive neuroendocrine neoplasms : colorectal neuroendocrine neoplasms / Neuroendocrinolog
Edge SB / 2010 / The American Joint Committee on Cancer: the 7th edition of the AJCC cancer staging manual and the future of TNM / Ann Surg Oncol 17 : 1471 ~ 1474
Frilling A / 2012 / Neuroendocrine tumor disease: an evolving landscape / Endocr Relat Cancer 19 : R163 ~ 185
Hauso O / 2008 / Neuroendocrine tumor epidemiology : contrasting Norway and North America / Cancer 113 : 2655 ~ 2664
Caplin M / 2012 / ENETS Consensus Guidelines for the management of patients with digestive neuroendocrine neoplasms : colorectal neuroendocrine neoplasms / Neuroendocrinolog
Edge SB / 2010 / The American Joint Committee on Cancer: the 7th edition of the AJCC cancer staging manual and the future of TNM / Ann Surg Oncol 17 : 1471 ~ 1474
Frilling A / 2012 / Neuroendocrine tumor disease: an evolving landscape / Endocr Relat Cancer 19 : R163 ~ 185
Hauso O / 2008 / Neuroendocrine tumor epidemiology : contrasting Norway and North America / Cancer 113 : 2655 ~ 2664
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