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Kasprzyk M, Dyszkiewicz W, Piwkowski C, Gasiorowski L, Kaczmarek E. Prognostic value of DNA ploidy: 5-year follow-up of patients with resectable squamous cell carcinoma (SCC) of the lung. Lung Cancer 2006; 51:201-6. [PMID: 16375987 DOI: 10.1016/j.lungcan.2005.10.014] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2005] [Revised: 09/29/2005] [Accepted: 10/05/2005] [Indexed: 11/20/2022]
Abstract
This study was designed to show the relation between DNA-ploidy in patients with resectable lung cancers and their 5-year survival rate. The results are compared with those from our 2-year follow-up study of the same group of patients published in 2000. The group of 80 patients with SCC who underwent lung resection between 1995 and 96 were re-analyzed. For the statistical analysis the hazard Cox model and an exponential multiple regression model were used. The survival curves were drawn using the Kaplan-Meier method. DNA-aneuploidy was found in 45% of cancer tumors. There was no statistically significant correlation between aneuploidy and gender, age, cancer staging or grading. In the 3-year follow-up the survival rate in patients with aneuploid type tumors was significantly lower than in those with the diploid type. However, this difference was not found after 5 years of follow-up. Tumor ploidy was an independent prognostic factor only in patients between 55 and 60 years of age. The mortality rate in patients with aneuploid tumors was mainly the result of distant metastases while, in patients with diploid tumors, local recurrence was the main reason for death. In the first three years after surgical resection patients with aneuploid tumors are at higher risk of distant metastases than patients with the diploid type. Tumor ploidy can be recognized as an independent prognostic factor in younger (55-60) patients. Aneuploidy promoted the occurrence of early distant metastases while the diploid type was associated with late (after 3 years) local tumor recurrence.
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Affiliation(s)
- Mariusz Kasprzyk
- Department of Thoracic Surgery, University of Med. Sciences, Poznan, Poland
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Choma D, Daurès JP, Quantin X, Pujol JL. Aneuploidy and prognosis of non-small-cell lung cancer: a meta-analysis of published data. Br J Cancer 2001; 85:14-22. [PMID: 11437396 PMCID: PMC2363907 DOI: 10.1054/bjoc.2001.1892] [Citation(s) in RCA: 65] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
In lung cancer, DNA content abnormalities have been described as a heterogeneous spectrum of impaired tumour cell DNA histogram patterns. They are merged into the common term of aneuploidy and probably reflect a high genotypic instability. In non-small-cell lung cancer, the negative effect of aneuploidy has been a subject of controversy inasmuch as studies aimed at determining the survival-DNA content relationship have reported conflicting results. We made a meta-analysis of published studies aimed at determining the prognostic effect of aneuploidy in surgically resected non-small-cell lung cancer. 35 trials have been identified in the literature. A comprehensive collection of data has been constructed taking into account the following parameters: quality of specimen, DNA content assessment method, aneuploidy definition, histology and stage grouping, quality of surgical resection and demographic characteristics of the analysed population. Among the 4033 assessable patients, 2626 suffered from non-small-cell lung cancer with aneuploid DNA content (overall frequency of aneuploidy: 0.65; 95% CI: (0.64-0.67)). The DerSimonian and Laird method was used to estimate the size effects and the Peto and Yusuf method was used in order to generate the odds ratios (OR) of reduction in risk of death for patients affected by a nearly diploid (non-aneuploid) non-small-cell lung cancer. Survivals following surgical resection, from 1 to 5 years, were chosen as the end-points of our meta-analysis. Patients suffering from a nearly diploid tumour benefited from a significant reduction in risk of death at 1, 2, 3 and 4 years with respective OR: 0.51, 0.51, 0.45 and 0.67 (P< 10(-4)for each end-point). 5 years after resection, the reduction of death was of lesser magnitude: OR: 0.87 (P = 0.08). The test for overall statistical heterogeneity was conventionally significant (P< 0.01) for all 5 end-points, however. None of the recorded characteristics of the studies could explain this phenomenon precluding a subset analysis. Therefore, the DerSimonian and Laird method was applied inasmuch as this method allows a correction for heterogeneity. This method demonstrated an increase in survival at 1, 2, 3, 4 and 5 years for patients with diploid tumours with respective size effects of 0.11, 0.15, 0.20, 0.20 and 0.21 (value taking into account the correction for heterogeneity;P< 10(-4)for each end-point). Patients who benefit from a surgical resection for non-small-cell lung cancer with aneuploid DNA content prove to have a higher risk of death. This negative prognostic factor decreases the probability of survival by 11% at one year, a negative effect deteriorating up to 21% at 5 years following surgery.
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Affiliation(s)
- D Choma
- Thoracic Oncology Unit, Centre Hospitalier Universitaire de Montpellier, Hôpital Arnaud de Villeneuve, Montpellier Cedex, 34295, France
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Abstract
BACKGROUND Numerous studies have investigated locoregional immune responses and long term survival in patients with various types of cancer; few have focused on patients with lung carcinoma. The current study was designed to assess the prognostic value of immunomorphologic changes in locoregional lymph nodes and lymphocytic infiltration of primary tumor (LI) in patients who undergo resection for bronchogenic carcinoma. METHODS In a retrospective analysis, immune responses in locoregional lymph nodes and at primary tumor sites were studied histologically in 172 selected patients. Lymph node morphology was studied according to the system of Cottier et al. Sinus histiocytosis and paracortical lymphoid cell hyperplasia were considered to be cellular immune responses, and follicular hyperplasia of the cortical area was considered to be a humoral reaction. LI was classified with Black's method. The survival rate was estimated by using the Kaplan-Meier product-limit method. The log rank test and the Cox proportional-hazards model were used to determine statistical significance in univariate and multivariate survival analyses. RESULTS Among the 172 patients, 35.5% had no evident response in regional lymph nodes, 19.8% had a marked cellular response, 11% had a marked humoral response, and 33.7% had a mixed cellular and humoral response. LI was intense in 36.6% of patients and was absent or scarcely evident in 63.4%. A lymph node cellular response and marked LI improved long term survival rates even in patients with regional lymph node metastases. Multivariate analysis identified two independent variables that had high prognostic value: lymph node immunoreactivity and LI. CONCLUSIONS Lymph node immunoreactivity and LI significantly influence long term survival after curative surgery for patients with carcinoma of the lung and may be useful in stratifying patients for prospective trials of adjuvant treatment, including immunotherapy.
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Affiliation(s)
- A Di Giorgio
- Department of Surgery "Pietro Valdoni" (ex I Istituto di Clinica Chirurgica), Rome, Italy.
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Dyszkiewicz W, Kasprzyk M, Piwkowski C, Gasiorowski L, Ramlau R. The prognostic value of DNA content analysis in patients with squamous cell lung cancer treated surgically. Lung Cancer 2000; 29:161-7. [PMID: 10996418 DOI: 10.1016/s0169-5002(00)00121-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
The aims of the study were to assess the degree of ploidy and determine whether it had any influence on the remission time and survival of surgically treated patients with squamous cell lung cancer. The results were then related to the clinical staging, grading, size and location of the tumor. Tissue samples of squamous cell lung carcinoma (n=80) resected between 1995 and 1996 in the Department of Thoracic Surgery at University of Medical Sciences in Poznan were prepared using the modified Hedley's method. The measurements were made by means of a Cytoron Absolute flow cytometer. Abnormal (aneuploid) DNA was found in 45% of the tumors. In the 2-year observation period significantly more patients with aneuploid tumors died (75%) than those with diploid tumors (43.2%), P<0.05. No significant correlation was found between the ploidy and frequency of metastasis to regional lymph nodes, tumor size, location or grading. Estimation of the DNA content in cancer cells appears to be a significant prognostic factor. Furthermore measurement of the DNA content can be useful after surgery to estimate the risk of recurrence.
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Affiliation(s)
- W Dyszkiewicz
- Department of Thoracic Surgery, 62 Szamarzewski St., 60-569, Poznan, Poland
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5
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Gorgoulis VG, Zacharatos P, Kotsinas A, Mariatos G, Liloglou T, Vogiatzi T, Foukas P, Rassidakis G, Garinis G, Ioannides T, Zoumpourlis V, Bramis J, Michail PO, Asimacopoulos PJ, Field JK, Kittas C. Altered Expression of the Cell Cycle Regulatory Molecules pRb, p53 and MDM2 Exert a Synergetic Effect on Tumor Growth and Chromosomal Instability in Non-small Cell Lung Carcinomas (NSCLCs). Mol Med 2000. [DOI: 10.1007/bf03402115] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Ikonen JT, Ojala A, Salenius JP, Mattila J, Riekkinen H, Wigren T. DNA flow cytometry in surgically treated lung cancer--prognostic significance. SCAND CARDIOVASC J 1999; 33:228-33. [PMID: 10517210 DOI: 10.1080/14017439950141669] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Although DNA aneuploidy and high proliferative activity (S-phase fraction, SPF) of tumour cells, measured by flow cytometry, have proved to be indicators of poor prognosis in most solid tumours, there have been conflicting results in lung cancer studies. During a four-year period we studied the prognostic significance of DNA ploidy and SPF in 99 surgically treated lung cancer patients. Flow cytometric analysis was done from archival, formalin-fixed, paraffin-embedded tumour specimens. DNA index and SPF were determined, using MultiCycle software with sliced nuclear correction to compensate for debris. There were 61 DNA diploid and 38 DNA aneuploid tumours. The median SPF was 10.2%. Neither ploidy nor SPF was associated with previously known prognostic factors. Survival was poorer in patients with aneuploid tumours than in the other patients, but the difference was not statistically significant. DNA ploidy and SPF thus do not seem to be useful prognostic indicators in surgically treated lung cancer.
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Affiliation(s)
- J T Ikonen
- Department of Surgery, Tampere University Hospital, Finland.
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7
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Sørensen JB, Østerlind K. Prognostic Factors: From Clinical Parameters to New Biological Markers. ACTA ACUST UNITED AC 1999. [DOI: 10.1007/978-3-642-59824-1_1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/13/2023]
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8
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Roberts HL, Komaki R, Allen P, El-Naggar AK. Prognostic significance of DNA content in stage I adenocarcinoma of the lung. Int J Radiat Oncol Biol Phys 1998; 41:573-8. [PMID: 9635704 DOI: 10.1016/s0360-3016(98)00099-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
PURPOSE Up to 30% of lung cancers (Stage I) with the most favorable outcome recur within 5 years after surgery. This study reviews the pattern of failure after surgical resection in early lung cancers and determines whether flow cytometric DNA variables were prognostic indicators for survival, disease-free survival (DFS), or distant metastasis-free survival (DMFS). METHODS AND MATERIALS Pathologic specimens from 45 patients at The University of Texas M. D. Anderson Cancer Center who underwent surgical resection and mediastinal nodal dissection for stage I (AJCC) adenocarcinomas of the lung were analyzed by flow cytometry for DNA content. Survival was calculated by the method of Desu and Lee. Chi-square and cross tabulation were used in the analysis. RESULTS The mean age of the patients was 62 years, and 52.3% were male. All patients were clinical Stage I (T1-2 N0), Karnofsky performance status > or = 70, and had a weight loss <10 lbs. Median overall survival (OS) and DFS were 50 months and 33 months, respectively. OS, DFS, and DMFS at 1, 3 and 5 years were 73%, 57%, and 35%; 63%, 53%, and 45%; and 67%, 56%, and 48%, respectively. Analysis of all 45 patients revealed 86% of patients developing brain metastasis had an abnormal DNA content > or = 30%, whereas 4% of patients with brain metastasis had abnormal DNA content < 30% (p = 0.01). This correlation maintained significance when only pT1/2 lesions were analyzed. There was a significant statistical correlation between abnormal DNA and 5-year OS, with 74% OS for those with abnormal DNA < 30% vs. 42% for > or = 30% (p = 0.036). The 5-year DFS for pT1/2 patients was significantly correlated with abnormal DNA content: 53% for patients with abnormal DNA < 30% vs. 17% for patients with abnormal DNA > or = 30%, respectively (p = 0.03). Of those with %S fraction (%S) < 2, 13% failed locally compared to 41% of those with %S > or = 2. There was a highly significant correlation between DNA index (DNAI) and aneuploid %S: 68% of patients with a DNAI > or = 1.7 had > or = 2.6 aneuploid %S, whereas only 13% of patients with DNAI > or = 1.7 had aneuploid %S < 2.6. (p < 0.001). Grouping the percent of abnormal DNA and overall %S according to low vs. mixed vs. high values correlated with DFS (p = 0.02). CONCLUSIONS This study confirms significant correlation between a high DNA index and a higher frequency of brain metastasis, as well as worse OS. Although DNA content variables were not predictive of recurrence at other sites, brain metastasis represents the worst outcome from distant metastasis. Further studies are needed, as well as prospective trials, for evaluating adjuvant therapy in patients with adverse DNA variables following complete surgical resection for early disease. If high-risk patients could be identified after resection, adjuvant therapy (chemotherapy or elective brain irradiation) could be administered.
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Affiliation(s)
- H L Roberts
- Department of Radiation Oncology, M.D. Anderson Cancer Center, Houston, TX 77030, USA
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9
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Kolodziejski L, Niezabitowski A, Gasińska A. Clinical and flow cytometric prognostic factors in surgically treated squamous cell lung cancer. Lung Cancer 1997; 16:173-82. [PMID: 9152948 DOI: 10.1016/s0169-5002(96)00626-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
A five-year follow-up study of prognostic factors in 207 patients with squamous cell lung cancer (SqLC) radically treated with surgery was investigated. Cellular prognostic indicators for survival times, such as percentage of cells in the S-phase (S-phase fraction, SPF), proliferative index (PI, number of cells in S + G2/M phases) and DNA ploidy, in addition to well known clinical factors were studied. Patients with aneuploid tumours had significantly shorter survival period (P < 0.05) than patients with diploid tumours. However, proliferative rate of the tumours had no influence on patients' survival. Cox multivariate analysis showed that metastases to the neighbouring lymph nodes, tumour diameter > 5 cm and DNA aneuploidy of the tumour cells were the negative factors which affected patients survival. DNA ploidy did not depend on the clinical stage of the tumours.
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Affiliation(s)
- L Kolodziejski
- Department of Oncological Surgery, Centre of Oncology, Kraków, Poland
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10
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Smit EF, Groen HJ, Splinter TA, Ebels T, Postmus PE. New prognostic factors in resectable non-small cell lung cancer. Thorax 1996; 51:638-46. [PMID: 8693450 PMCID: PMC1090499 DOI: 10.1136/thx.51.6.638] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
MESH Headings
- Antigens, Neoplasm/analysis
- Biomarkers, Tumor/analysis
- Carcinoma, Non-Small-Cell Lung/secondary
- Carcinoma, Non-Small-Cell Lung/surgery
- DNA, Neoplasm/analysis
- Genes, Retinoblastoma/genetics
- Genes, erbB-2/genetics
- Genes, p53/genetics
- Genes, ras/genetics
- Humans
- Lung Neoplasms/surgery
- Neovascularization, Pathologic
- Prognosis
- S Phase
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Affiliation(s)
- E F Smit
- Department of Pulmonary Diseases, University Hospital Groningen, Netherlands
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11
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Mountain CF. New prognostic factors in lung cancer. Biologic prophets of cancer cell aggression. Chest 1995; 108:246-54. [PMID: 7606966 DOI: 10.1378/chest.108.1.246] [Citation(s) in RCA: 66] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Affiliation(s)
- C F Mountain
- Department of Thoracic and Cardiovascular Surgery, University of Texas M.D. Anderson Cancer Center, Houston, USA
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12
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Tanaka I, Masuda R, Furuhata Y, Inoue M, Fujiwara M, Takemura T. Flow cytometric analysis of the DNA content of adenocarcinoma of the lung, especially for patients with stage 1 disease with long term follow-up. Cancer 1995; 75:2461-5. [PMID: 7736389 DOI: 10.1002/1097-0142(19950515)75:10<2461::aid-cncr2820751011>3.0.co;2-d] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
BACKGROUND To assess the prognostic value of DNA ploidy in adenocarcinoma of the lung, the authors performed a flow cytometric study using paraffin embedded archival material from 160 patients (109 [68%] with aneuploid lesions, 51 [32%] with diploid lesions) who underwent surgical resection from 1982 to 1991. METHODS The proportion of DNA aneuploid tumors increased as the disease stage advanced, from 35 of 63 (55.5%) with Stage 1 disease to 15 of 20 (75.0%) with Stage 2 disease, to 40 of 53 (75.5%) with Stage 3a disease, to 19 of 24 (79.2%) with Stage 3b disease. However, this trend was not statistically significant. Comparison of the survival time of the 160 patients with adenocarcinoma of the lung with a median follow-up of 7.8 years revealed that patients with diploid tumors had significantly longer survival than did those with aneuploid tumors (P < 0.01). RESULTS Examination by stage showed that patients with Stage 1 disease with diploid tumors had significantly longer survival times than did those with aneuploid tumors (P < 0.05) but that there were no significant differences in clinical outcome in patients with Stage 2, 3a, and 3b diploid tumors. CONCLUSIONS Analysis of aneuploid versus diploid DNA content in patients with Stage 1 adenocarcinoma of the lung is concluded to be useful in evaluating clinical outcome and prognosis.
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Affiliation(s)
- I Tanaka
- Department of Thoracic Surgery, Japanese Red Cross Medical Center, Tokyo, Japan
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13
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Scagliotti GV, Masiero P, Pozzi E. Biological prognostic factors in non-small cell lung cancer. Lung Cancer 1995; 12 Suppl 1:S13-25. [PMID: 7551921 DOI: 10.1016/0169-5002(95)00417-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
The results of conventional treatments for lung cancer remain poor and long-term survival rates have changed little over the last 10 years. In the same period of time there has been an explosion in the knowledge on the processes of cellular transformation, tumour progression, invasion and metastasis. The major categories of biological events implicated in non-small cell lung cancer include growth factor receptors expression (epidermal growth receptor, p185c-neu), autocrine growth factor production (transforming growth factor alpha), dominant oncogenes activation (ras genes) and deletion of tumour suppressor genes (p53 gene, retinoblastoma gene) and these are some of the abnormalities associated with specific histological types and with poor prognosis. Additional prognostic information can be obtained from the evaluation of the ploidy and proliferative activity of the tumours, carbohydrate antigens expression, presence of neuroendocrine differentiation and the evaluation of markers of the sequential steps involved in the process of tumour dissemination.
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Affiliation(s)
- G V Scagliotti
- University of Torino, Department of Clinical and Biological Sciences, S. Luigi Gonzaga Hospital, Orbassano, Italy
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14
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Visakorpi T, Holli K, Hakama M. High cell proliferation activity determined by DNA flow cytometry and prognosis in epidermoid lung carcinoma. Acta Oncol 1995; 34:605-9. [PMID: 7546825 DOI: 10.3109/02841869509094035] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
DNA aneuploidy and high cell proliferation activity determined by DNA flow cytometry are known to be associated with poor prognosis in many human malignancies. The aim of the present study was to determine the long-term prognostic value of DNA ploidy and cell proliferation activity in lung cancer. The material consisted of samples from 290 paraffin-embedded lung cancers (171 epidermoid carcinomas, 62 small-cell carcinomas, 26 adenocarcinomas, and 31 others), of which DNA ploidy and cell proliferation activity as defined by S-phase fraction (SPF) was determined by DNA flow cytometry. DNA aneuploidy was found in 61% of the tumours and the mean (+/- SD) SPF was 13.6 +/- 9.5%. DNA aneuploidy was associated with a high T-stage (p < 0.05) in epidermoid carcinoma, but not in small-cell carcinoma or adenocarcinoma. DNA aneuploidy and high SPF were associated with poor survival in epidermoid carcinoma. However, only SPF (relative risk (RR) = 1.80), N-(RR = 2.46) and M-stages (RR = 2.17) were statistically significant predictors of survival according to multivariate analysis. Regression-tree analysis showed that the prognostic value of SPF was restricted to localized (M0-stage) epidermoid carcinoma. Neither DNA aneuploidy nor SPF was associated with survival in small-cell lung carcinoma. In conclusion, SPF is an independent prognostic factor in epidermoid lung carcinoma.
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Affiliation(s)
- T Visakorpi
- Department of Clinical Chemistry, Tampere University Hospital, School of Public Health, University of Tampere, Finland
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15
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Chow NH, Tzai TS, Lin SN, Su WC, Cheng HL. Near-diploid transitional cell carcinoma: a preliminary report. Int Urol Nephrol 1994; 26:423-30. [PMID: 8002215 DOI: 10.1007/bf02768013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
DNA ploidy analysis has been accepted as an important prognostic factor for patients with transitional cell carcinoma (TCC). However, there was few information dealing with the clinical relevance of slightly aberrant DNA content by flow cytometry (FCM). Here we present five cases of near-diploid (ND) tumours, with DNA index (DI) varying from 0.92 to 1.14, obtained from a prospective study of fifty-one cases (9.8%). The frequency of ND tumours showed a tendency to decrease with increasing tumour stage. Higher fraction of tumour proliferation, defined by Ki-67 index, showed a steady increment from 3.4 to 23.5% with occurrence of gross chromosomal changes. In contrast, the expression of epidermal growth factor receptor (EGFR) decreased from 48.3 to 35.3% for diploid (n = 29) through aneuploid (n = 17) tumours. All three ND bladder cancers had recurrence of one to three times with median follow-up of 36 months. The incidences of tumour recurrence (60%) and cancer death (20%) in ND tumours were intermediate between the aneuploid and diploid TCCs. But, flow DNA analysis of paraffin-embedded ND tumours revealed wide and symmetrical G0/G1 peak with DI varying from 5.6 to 13.0. Our limited experience suggests the necessity of special treatment for G0/G1 peaks having CV values greater than 5.5% from paraffin-embedded urothelial carcinomas.
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Affiliation(s)
- N H Chow
- Department of Pathology, National Cheng Kung University Hospital, Tainan, Taiwan
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16
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Feld R, Borges M, Giner V, Ginsberg R, Harper P, Klastersky J, Lacquet L, Paesmans M, Payne D, Rosell R. Prognostic factors in non-small cell lung cancer. Lung Cancer 1994; 11 Suppl 3:S19-23. [PMID: 7704508 DOI: 10.1016/0169-5002(94)91861-9] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- R Feld
- Princess Margaret Hospital, Toronto, Canada
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17
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Saito T, Sato J, Satoh A, Notani K, Fukuda H, Mizuno S, Shindoh M, Amemiya A. Flow cytometric analysis of nuclear DNA content in tongue squamous cell carcinoma: relation to cervical lymph node metastasis. Int J Oral Maxillofac Surg 1994; 23:28-31. [PMID: 8163856 DOI: 10.1016/s0901-5027(05)80322-4] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
The relationship between DNA ploidy and the incidence of cervical lymph node metastasis in 36 patients with tongue squamous cell carcinoma (SCC) was investigated. The aneuploidy rate of tongue carcinomas was 15/36 (42%), and the mean DNA index (DI) was 1.23, with a range from 0.87 to 3.54. Histologically identified cervical lymph node metastasis was observed in 11 cases, and the incidence of the cervical lymph node metastasis was significantly (P < 0.02) higher in the aneuploid cases (8/15) than in the diploid cases (3/21). Recurrence of the primary lesions was seen in nine cases 0.3-2.5 years after the initial treatment. No obvious difference in the incidence of the recurrence was noted, however, between the diploid (5/21) and the aneuploid (4/15) cases. These results indicate a significant relationship between aneuploidy and incidence of the regional lymph node metastasis, in contrast to the absence of a positive relationship between aneuploidy and recurrence of tongue SCC.
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Affiliation(s)
- T Saito
- First Department of Oral Surgery, Hokkaido University School of Dentistry, Sapporo, Japan
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18
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Rice TW, Bauer TW, Gephardt GN, Medendorp SV, McLain, DA, Kirby TJ. Prognostic significance of flow cytometry in non-small-cell lung cancer. J Thorac Cardiovasc Surg 1993. [DOI: 10.1016/s0022-5223(19)34118-2] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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