| Ability of bivariate cytokeratin and deoxyribonucleic acid flow cytometry to determine the biologic aggressiveness of resectable non-small cell lung cancer. | |
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MedLine Citation:
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PMID: 12167789 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: The purpose of this study was to clarify the significance of bivariate cytokeratin and DNA flow cytometry for analysis of the biologic aggressiveness of resectable non-small cell lung cancer. METHODS: In 92 patients who underwent curative operations, the DNA ploidy status and S-phase fractions of the cancer cell populations inside the tumors were analyzed by a cytokeratin gating technique with paraffin-embedded specimens and were correlated with the surgical results. RESULTS: Ninety tumors yielded assessable DNA histograms. DNA diploidy was detected in 25 tumors with a mean S-phase fraction of 14.3% +/- 4.7%, and DNA aneuploidy was detected in 65 tumors with a mean S-phase fraction of 15.1% +/- 7.1%. The 5-year overall and recurrence-free survivals were 73.3% and 70.3%, respectively. Multivariate analysis showed that only TNM staging was a prognostic factor after surgery. There was a negative correlation between the logarithms of S-phase fraction and the disease-free interval for 22 patients with proven recurrence (P =.006). The tumors with high S-phase fractions recurred more rapidly than did those with low S-phase fractions. CONCLUSION: In a bivariate analysis of cytokeratin and DNA flow cytometry in resectable non-small cell lung cancer, the S-phase fraction appeared to be correlated with the disease-free interval. However, DNA ploidy and S-phase fraction were not predictive of either recurrence or survival after operation. Thus DNA flow cytometry may be of limited use for the analysis of the biologic aggressiveness of lung cancer. |
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Authors:
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Hiroshi Otsuka; Sadao Funai; Tatsuya Azumi; Satoshi Hara; Kiyotaka Okuno; Masayuki Yasutomi |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: The Journal of thoracic and cardiovascular surgery Volume: 124 ISSN: 0022-5223 ISO Abbreviation: J. Thorac. Cardiovasc. Surg. Publication Date: 2002 Aug |
Date Detail:
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Created Date: 2002-08-08 Completed Date: 2002-10-02 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0376343 Medline TA: J Thorac Cardiovasc Surg Country: United States |
Other Details:
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Languages: eng Pagination: 293-8 Citation Subset: AIM; IM |
Affiliation:
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First Department of Surgery, Kinki University School of Medicine, 377-2 Ohnogashi, Osaka-sayama, Osaka 589-8511, Japan. hiroshi@otsuka-japan.com |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Aged, 80 and over Carcinoma, Non-Small-Cell Lung / genetics, pathology* Chi-Square Distribution DNA, Neoplasm / analysis* Female Flow Cytometry* Humans Keratins / metabolism* Lung Neoplasms / genetics, pathology* Male Middle Aged Neoplasm Staging Ploidies S Phase / physiology Statistics, Nonparametric |
| Chemical | |
Reg. No./Substance:
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0/DNA, Neoplasm; 68238-35-7/Keratins |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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