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- Stockeld, Dag, et al.
(författare)
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A Swedish study of chemoradiation in squamous cell carcinoma of the esophagus
- 2001
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Ingår i: Acta Oncologica. - : Informa UK Limited. - 1651-226X .- 0284-186X. ; 40, s. 566-
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Tidskriftsartikel (refereegranskat)abstract
- This multicenter study describes the development of a chemoradiation protocol for the treatment of non-metastatic squamous cell carcinoma of the esophagus. Eighty patients were treated with three courses of chemotherapy (cisplatinum and 5-fluorouracil) with concomitant radiotherapy (40 Gy) during the last two courses of chemotherapy. Esophagectomy was performed, when feasible. If no operation was performed, patients were planned to receive a target dose of 64 Gy. Toxicity was mainly attributable to hematological impairment and led to two adjustments of the treatment protocol (addition of filgrastim and lowering of the 5-fluorouracil dose). These changes made it possible to administer the planned treatment in a gradually higher proportion of patients (13/23 [57%] before changes of treatment compared with 30/36 [83%] after changes). Treatment-related mortality was 3.75% (3 patients, associated with leucopenic septicemia after chemotherapy). Fifty-four patients were resected. No per- or postoperative mortality was encountered. The complete response (pathological CR) rate in operated patients was 46% (27/59 patients) after chemoradiation. In the whole series the CR rate (including clinical CR for non-resected patients) was 44%. With a minimum follow-up of 37 months, the 3-year survival for the whole group was 31% compared with 57% for the CR patients. Total 5-year survival thus far (July 1999) is 26%.
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| 3. |
- Agnarsdóttir, Margrét, 1970-, et al.
(författare)
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MITF as a Prognostic Marker in Cutaneous Malignant Melanoma
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Annan publikation (övrigt vetenskapligt/konstnärligt)abstract
- Background: Microphthalmia associated transcription factor (MITF) protein has a central role in the differentiation and survival of melanocytes. The aim of the study was to investigate whether MITF can be employed as a prognostic marker in patients operated on for cutaneous malignant melanoma. Methods: A cohort study design based on information collected from population-based registers. For included patients tissue microarrays and immunohistochemistry were employed to study the protein expression of MITF in the primary malignant melanoma tumors by estimating the fraction of positive tumor cells and the staining intensity. Results: The vast majority of tumors expressed MITF in >25% of the tumor cells with a strong staining intensity and looking at these factors individually these patients had a better prognosis. When cell fraction and intensity were combined a high-risk group dying of malignant melanoma was identified as those with 25% -75% of tumor cells staining with weak intensity and those with <25% of tumor cells staining with strong intensity. However, the majority of the deaths occurred in the lower risk groups. Conclusions: Although a high-risk group for death in malignant melanoma was identified we conclude that MITF is not useful as a prognostic marker because of the distribution of that particular expression in the population. Impact: Our results indicate a bi-phasic pattern of MITF expression and although not useful as a prognostic marker these results are in line with other experimental studies and are relevant to explore further.
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| 4. |
- Andersson, Göran, 1957, et al.
(författare)
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Tak - De nordsvenska timmerhusens konstruktion
- 2008
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Bok (övrigt vetenskapligt/konstnärligt)abstract
- Beskrivning av takkonstruktioner i timmerhus, funktionskrav analys av konstruktiv indelning. Rikligt med förklarande ritningar.
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| 6. |
- Berglund, Anders, et al.
(författare)
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Social inequalities in non-small cell lung cancer management and survival : a population-based study in central Sweden
- 2010
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Ingår i: Thorax. - : BMJ. - 0040-6376 .- 1468-3296. ; 65:4, s. 327-333
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Tidskriftsartikel (refereegranskat)abstract
- Objectives To examine possible associations between socioeconomic status, management and survival of patients with non-small cell lung cancer (NSCLC). Methods In a population-based cohort study, information was retrieved from the Regional Lung Cancer Register in central Sweden, the Cause of Death Register and a social database. ORs and HRs were compared to assess associations between educational level and management and survival. Results 3370 eligible patients with an NSCLC diagnosis between 1996 and 2004 were identified. There were no differences in stage at diagnosis between educational groups. A higher diagnostic intensity was observed in patients with high compared with low education. There were also social gradients in time between referral and diagnosis in early stage disease ( median time: low, 32 days; high, 17 days). Social differences in treatment remained following adjustment for prognostic factors ( surgery in early stage disease, high vs low OR 2.84; CI 1.40 to 5.79). Following adjustment for prognostic factors and treatment, the risk of death in early stage disease was lower in women with a high education ( high vs low HR 0.33; CI 0.14 to 0.77). Conclusion The results of this study indicate that socioeconomically disadvantaged groups with NSCLC receive less intensive care. Low education remained an independent predictor of poor survival only in women with early stage disease. The exact underlying mechanisms of these social inequalities are unknown, but differences in access to care, co-morbidity and lifestyle factors may all contribute.
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| 8. |
- Myrdal, Gunnar, et al.
(författare)
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Regional differences in treatment and outcome in non-small cell lung cancer : a population-based study (Sweden)
- 2009
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Ingår i: Lung Cancer. - : Elsevier BV. - 0169-5002 .- 1872-8332. ; 63:1, s. 16-22
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Tidskriftsartikel (refereegranskat)abstract
- In the recent decade uniform treatment guidelines for non-small cell lung cancer (NSCLC) have been introduced in Sweden. The objective of this study was to examine time trends and differences in treatment intensity for NSCLC between county clinical centres in Central Sweden. A second aim was to investigate whether any differences in treatment of NSCLC were associated with differences in survival. 4345 patients with a diagnosis of NSCLC between 1995 and 2003 were identified in the population-based Lung Cancer Register of Central Sweden. Multivariate logistic regression was used to estimate odds ratios to analyse the likelihood of receiving different treatment modalities for NSCLC. Cox proportional hazard models estimating relative hazard ratios were used to identify factors related to death (by any cause). Of all patients, 33.4% received no treatment, and 17.5% underwent surgery. Between 1995 and 2003, the proportion of patients receiving chemotherapy rose from 14.6% to 55%. There were pronounced differences between county centres in treatment policies, especially concerning surgery and radiotherapy. The likelihood of receiving treatment for NSCLC was highest at county centre A where both surgical treatment and chemotherapy were given more often. Compared to this reference county, the risk of death was between 20% and 40% higher in the other counties after adjusting for age, stage, gender, time period, smoking status and histopathological type. When analyses were adjusted for treatment, county of residence was no longer a prognostic factor. Despite common guidelines there were marked differences in treatment activity between the counties. Treatment activity was associated with survival. Survival benefits may follow improvement in compliance to guidelines.
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