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Sökning: WFRF:(Fjallskog ML)

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1.
  • Nilsson, Cecilia, et al. (författare)
  • Similarities and differences in the characteristics and primary treatment of breast cancer in men and women - a population based study (Sweden)
  • 2011
  • Ingår i: Acta Oncologica. - : Taylor & Francis. - 1651-226X. ; 50:7, s. 1083-1088
  • Tidskriftsartikel (refereegranskat)abstract
    • Purpose. Male breast cancer (MBC) is an uncommon disease. In the absence of randomized studies, current guidelines are mainly based on data on the management of female breast cancer (FBC). In light of concerns regarding the quality and extent of management in men, the aim of the present study was to investigate whether there are differences in tumor characteristics, treatment and outcome in male compared with FBC patients. Methods. Cohorts of male and female breast cancer were retrospectively analyzed. All male patients diagnosed with invasive breast cancer between 1993 and 2007 were identified from the Regional Breast Cancer Register of the Uppsala-rebro Region in Sweden. To increase the power of the study and obtain comparable cohorts we sampled four FBC patients (n = 396) for each MBC patient (n = 99) with similar age at diagnosis and time of diagnosis. Results. No differences were seen in stage at diagnosis between MBC and FBC. Men underwent mastectomy more often than women (92% vs. 44%, p < 0.001). Radiotherapy was delivered less often to MBC than FBC (44% vs. 56%, p = 0.034), but radiotherapy given after mastectomy (44% vs. 39%, p = 0.47) did not differ between the groups. No differences were found regarding adjuvant chemotherapy (16% vs. 21%; p = 0.31) or adjuvant endocrine therapy (59% vs. 52%, p = 0.24). Both overall survival (41% vs. 55%, p = 0.001) and relative survival (74% vs. 88%, p = 0.015) were inferior in MBC compared to FBC. Conclusion. Concerns regarding less extensive treatment in MBC patients were not supported by this study. Although no differences in the stage of the disease or treatment intensity could be demonstrated, outcome was inferior in the male group.
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2.
  • Aaltonen, Kirsimari, et al. (författare)
  • Reliability of cyclin A assessment on tissue microarrays in breast cancer compared to conventional histological slides
  • 2006
  • Ingår i: British Journal of Cancer. - 0007-0920 .- 1532-1827. ; 94:11, s. 1697-1702
  • Tidskriftsartikel (refereegranskat)abstract
    • Cyclin A has in some studies been associated with poor breast cancer survival, although all studies have not confirmed this. Its prognostic significance in breast cancer needs evaluation in larger studies. Tissue microarray (TMA) technique allows a simultaneous analysis of large amount of tumours on a single microscopic slide. This makes a rapid screening of molecular markers in large amount of tumours possible. Because only a small tissue sample of each tumour is punched on an array, the question has arisen about the representativeness of TMA when studying markers that are expressed in only a small proportion of cells. For this reason, we wanted to compare cyclin A expression on TMA and on traditional large sections. Two breast cancer TMAs were constructed of 200 breast tumours diagnosed between 1997-1998. TMA slides and traditional large section slides of these 200 tumours were stained with cyclin A antibody and analysed by two independent readers. The reproducibility of the two readers' results was good or even very good, with kappa values 0.71-0.87. The agreement of TMA and large section results was good with kappa value 0.62-0.75. Cyclin A overexpression was significantly (P<0.001) associated with oestrogen receptor and progesterone receptor negativity and high grade both on TMA and large sections. Cyclin A overexpression was significantly associated with poor metastasis-free survival both on TMA and large sections. The relative risks for metastasis were similar on TMA and large sections. This study suggests that TMA technique could be useful to study histological correlations and prognostic significance of cyclin A on breast cancer on a large scale.
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3.
  • Ahlin, Cecilia, et al. (författare)
  • Aberrant expression of cyclin E in low-risk node negative breast cancer
  • 2008
  • Ingår i: Acta Oncologica. - 0284-186X .- 1651-226X. ; 47:8, s. 1539-1545
  • Tidskriftsartikel (refereegranskat)abstract
    • Background. Cyclin E is a cell cycle regulatory protein which occurs in G1, peaks in late G1 and is degraded in early S-phase. Cyclin E overexpression appears to be an independent prognostic factor for overall survival in breast cancer. Material and Methods. Nuclear cyclin A is a reliable marker for S-and G2-phases. Consequently, aberrant expression of cyclin E can be detected by simultaneous immunostainings for cyclin A and cyclin E. Studies have shown that aberrant cyclin E might provide additional prognostic information compared to that of cyclin E alone. This study aimed to investigate cyclin E and aberrant cyclin E expression in low-risk node negative breast cancer. We compared women that died from their breast cancer (n=17) with women free from relapse>8 years after initial diagnosis (n=24). All women had stage I, low risk breast cancer. The groups were matched regarding tumour size, receptor status, adjuvant chemotherapy and tumour differentiation. Tumour samples were analysed regarding expression of cyclin A, cyclin E and double-stained tumour cells using immunoflourescence staining and digital microscopy. Results. No differences were seen regarding expression of cyclin E or aberrant cyclin E in cases compared to controls. Discussion. We conclude that neither cyclin E nor aberrant cyclin E is a prognostic factor in low-risk node negative breast cancer patients.
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4.
  • Ahlin, Cecilia, et al. (författare)
  • Cyclin A Is a Proliferative Marker with Good Prognostic Value in Node-Negative Breast Cancer.
  • 2009
  • Ingår i: Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology. - : American Association for Cancer Research. - 1538-7755 .- 1055-9965. ; 18, s. 2501-2506
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Proliferative markers are not recommended as prognostic factors for clinical use in breast cancer due to lack of standardization in methodology. However, proliferation is driving several gene expression signatures emphasizing the need for a reliable proliferative marker for clinical use. Studies suggest that cyclin A is a prognostic marker with satisfying reproducibility. We investigated cyclin A as a prognostic marker in node-negative breast cancer using previously defined cutoff values. Patients and METHODS: In a case-control study, we defined 190 women who died from breast cancer as cases and 190 women alive at the time for the corresponding case's death as controls. Inclusion criteria were tumor size
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10.
  • Granberg, Dan, et al. (författare)
  • Experience in treatment of metastatic pulmonary carcinoid tumors
  • 2001
  • Ingår i: Annals of Oncology. - 0923-7534 .- 1569-8041. ; 12:10, s. 1383-1391
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: The only cure for patients with pulmonary carcinoids is surgery. In the present paper, we report the results of medical treatment of patients with metastatic tumors, their circulating hormone markers, and immunohistochemical profile of the tumors. PATIENTS AND METHODS/RESULTS: The response to systemic antitumoral treatment was studied in 31 patients with metastatic pulmonary carcinoids. Median survival from treatment start was 25 months. Alpha-interferon treatment has resulted in stable disease in 4 of 27 patients (median duration 15 months), while 23 patients showed progressive disease. Somatostatin analogues given as single drug treatment resulted in progressive disease. Streptozotocin and 5-fluorouracil resulted in progressive disease in seven of seven patients. Stable disease was obtained for 8 and 10 months respectively in two of two patients treated with streptozotocin + doxorubicin. Two of eight patients treated with cisplatinum + etoposide showed a significant decrease in tumor size lasting six and eight months respectively, and one displayed stable disease for seven months. Elevation of plasma chromogranin A was seen in 93%. CONCLUSIONS: The results of systemic antitumoral treatment of pulmonary carcinoids with distant metastases are generally discouraging. Chemotherapy with cisplatinum + etoposide, or doxorubicin combined with streptozotocin or paclitaxel may be of value. Alpha-interferon and octreotide offer efficient symptomatic relief, but stabilizes tumor growth in merely 15% of the cases. Plasma chromogranin A is the most frequently elevated tumor marker.
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