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Träfflista för sökning "L773:1879 0852 OR L773:0959 8049 ;pers:(Anderson Harald)"

Sökning: L773:1879 0852 OR L773:0959 8049 > Anderson Harald

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1.
  • Malmström, Per, et al. (författare)
  • Breast conservation surgery, with and without radiotherapy, in women with lymph node-negative breast cancer: a randomised clinical trial in a population with access to public mammography screening.
  • 2003
  • Ingår i: European journal of cancer (Oxford, England : 1990). - 0959-8049. ; 39, s. 1690-
  • Tidskriftsartikel (refereegranskat)abstract
    • The effect of postoperative radiotherapy after sector resection for stage I-II lymph node-negative breast cancer was evaluated in a patient population with access to public mammographical screening. 1187 women were randomised to no further treatment or postoperative radiotherapy following a standardised sector resection and axillary dissection. Radiation was administered to a dose of 48-54 Gy. Median age was 60 years, and median size of the detected tumours was 12 mm. Of the women 65% had their tumours detected by mammographical screening. The relative risk (RR) of ipsilateral breast recurrence was significantly higher in the non-irradiated patients compared with the irradiated patients, RR=3.33 (95% Confidence Interval (CI) 2.13-5.19, P<0.001). The corresponding cumulative incidence at 5 years was 14% versus 4%, respectively. Overall survival (OS) was similar, RR=1.16 (95% CI 0.81-1.65, P=0.41), with 5 year probabilities of 93 and 94%, respectively. Recurrence-free survival (RFS) at 5 years was significantly lower in the non-irradiated women, 77% versus 88% (P<0.001). Although women above 49 years of age, whose tumours were detected with mammographical screening, had the lowest rate of ipsilateral breast recurrence in this study, the cumulative incidence of such event amounted to 10% at 5 years if radiotherapy was not given. Such a recurrence rate has been considered as unacceptably high, but is, however, in the same range as that reported after lumpectomy and postoperative radiotherapy in published series.
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2.
  • Engellau, Jacob, et al. (författare)
  • Identification of low-risk tumours in histological high-grade soft tissue sarcomas
  • 2007
  • Ingår i: European Journal of Cancer. - : Elsevier BV. - 1879-0852 .- 0959-8049. ; 43:13, s. 1927-1934
  • Tidskriftsartikel (refereegranskat)abstract
    • In more than one-third of patients with a histological high-grade malignant soft tissue sarcoma metastasis develops despite local control of the primary tumour. Hence, adjuvant chemotherapy is increasingly used for these relatively chemoresistant tumours which requires improved prognostication to exclude low-risk patients from overtreatment. We assessed the value of stepwise prognostication in a series of 434 histological high-grade STS of the extremity and trunk wall. Vascular invasion was used as the first discriminator whereafter the risk factors tumour necrosis, size (>8 cm) and infiltrating growth pattern were used to discriminate high- and low-risk tumours. We identified a high-risk group with a cumulative incidence of metastasis >0.4 at 5 years, and a low-risk group, comprising half of the tumours, with a cumulative incidence of metastasis <0.15. The model was validated in an independent material of 175 patients. This model improved prognostication in STS and is of value for identifying patients who probably should not receive adjuvant chemotherapy. (C) 2007 Elsevier Ltd. All rights reserved.
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3.
  • Gunnlaugsson, Adalsteinn, et al. (författare)
  • Multicentre phase II trial of capecitabine and oxaliplatin in combination with radiotherapy for unresectable colorectal cancer : The CORGI-L study
  • 2009
  • Ingår i: European Journal of Cancer. - : Elsevier BV. - 0959-8049 .- 1879-0852. ; 45:5, s. 807-813
  • Tidskriftsartikel (refereegranskat)abstract
    • AIMS: This study assessed radiotherapy combined with capecitabine and oxaliplatin in patients with primary, inextirpable colorectal adenocarcinoma. PATIENTS AND METHODS: Forty-nine patients entered the trial. Two cycles of XELOX (capecitabine 1000mg/m(2) bid d1-14+oxaliplatin 130mg/m(2) d1, q3w) were followed by radiotherapy (50.4Gy), combined with capecitabine 825mg/m(2) bid every radiotherapy day and oxaliplatin 60mg/m(2) once weekly. The primary end-point was objective response. RESULTS: Forty-seven patients were evaluable. Twenty-nine (62% [95% CI: 46-75%]) achieved complete or partial response. Thirty-eight (81%) went through surgery of whom 37 (97%) had an R0 resection and five (13%) had a pathological complete response. Seventy-eight percent were alive and estimated local progression rate was 11% at 2 years. The most common grade 3+ toxicity during chemoradiotherapy was diarrhoea (24%). CONCLUSIONS: XELOX-RT was feasible and showed promising efficacy when treating patients with primary inextirpable colorectal cancer, establishing high local control rate.
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5.
  • Killander, Fredrika, et al. (författare)
  • Radiotherapy and tamoxifen after mastectomy in postmenopausal women - 20 year follow-up of the South Sweden Breast Cancer group randomised trial SSBCG II : I
  • 2007
  • Ingår i: European Journal of Cancer. - : Elsevier BV. - 1879-0852 .- 0959-8049. ; 43:14, s. 2100-2108
  • Tidskriftsartikel (refereegranskat)abstract
    • Aims: To evaluate long-term effects of radiotherapy and tamoxifen after mastectomy on recurrence and survival in stage II breast cancer. Methods: A randomised phase III study with three treatment alternatives. (1) Radiotherapy 50 Gy/2S fractions to chest wall and regional lymph nodes (RT). (2) Radiotherapy and tamoxifen 30 mg/day for one year (RT + tam) and 3. Tamoxifen (tam). Results: 724 postmenopausal women were included between 1978 and 1985 and the trial was close to population based. Follow-up for survival was 23 years. Locoregional recurrences were reduced from 18.5% in the tam arm to 5.3% in the RT + tam arm. Overall mortality at 20 years was 71% in the RT arm, 68% in the RT + tam arm and 62% in the tam arm. The difference between RT + tam and tam was not significant except in the receptor positive subgroup in favour of non-irradiated patients (p = 0.047). The cumulative incidence of systemic disease at 20 years was lower in the RT + Tam arm than in the RT arm, 40% versus 50% (p = 0.047). Conclusion: Postmastectomy radiotherapy significantly reduced loco-regional recurrences, but overall survival was not improved. At 20 years, a lower mortality was recorded for non-irradiated patients treated with tam. (C) 2007 Published by Elsevier Ltd.
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6.
  • Ringberg, Anita, et al. (författare)
  • Histopathological risk factors for ipsilateral breast events after breast conserving treatment for ductal carcinoma in situ of the breast--results from the Swedish randomised trial.
  • 2007
  • Ingår i: European journal of cancer (Oxford, England : 1990). - : Elsevier BV. - 0959-8049 .- 1879-0852. ; 43:2, s. 291-8
  • Tidskriftsartikel (refereegranskat)abstract
    • AIM: The primary aims were to study risk factors for an ipsilateral breast event (IBE) after sector resection for ductal carcinoma in situ of the breast (DCIS) in a trial comparing adjuvant radiotherapy to no therapy and to assess predictive factors for response to radiotherapy. Secondary aims were to analyse reproducibility of the histopathological evaluation and to estimate correctness of diagnosis in the trial. SETTING: A randomised trial in Sweden (the SweDCIS trial), including 1046 women with a median of 5.2 years of follow-up in a population, offered routine mammographic screening. METHODS: A case-cohort design with a total of 161 cases of IBE (42 of those being members of the subcohort) and 284 sampled for the sub-cohort. Ninety five percent of the participants' slides could be retrieved and were re-evaluated by three experienced pathologists. RESULTS: Low nuclear grade (NG 1-2) and absence of necrosis halves the risk of IBE in both irradiated and non-irradiated patients. Lesion size, margins of excision and age at diagnosis did not modify these associations. The presence of necrosis modified the effect of radiotherapy: relative risk was 0.40 with necrosis present and 0.07 with necrosis absent (p-value for interaction 0.068). In all subsets of prognostic factors, radiotherapy conferred a substantial benefit. The risk factors for in situ and invasive IBE were similar. The agreement between pathologists was moderate (kappa=0.486). Correctness of diagnosis in the subcohort of SweDCIS was 84.8%. CONCLUSION: Although nuclear grade and necrosis carry prognostic information, we could not define a group with very low risk after sector resection alone. Radiotherapy has a protective effect in all substrata of risk factors studied. The interaction between the presence of necrosis and radiotherapy is a clinically and biologically relevant research area.
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7.
  • Sällfors-Holmqvist, Anna, et al. (författare)
  • Adult Life after Childhood Cancer in Scandinavia: Diabetes mellitus following treatment for cancer in childhood.
  • 2014
  • Ingår i: European Journal of Cancer. - : Elsevier BV. - 1879-0852 .- 0959-8049. ; 50:6, s. 1169-1175
  • Tidskriftsartikel (refereegranskat)abstract
    • An increased risk for diabetes mellitus (DM) adds significantly to the burden of late complications in childhood cancer survivors. Complications of DM may be prevented by using appropriate screening. It is, therefore, important to better characterise the reported increased risk for DM in a large population-based setting.
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8.
  • Guerin, S, et al. (författare)
  • Radiation dose as a risk factor for malignant melanoma following childhood cancer
  • 2003
  • Ingår i: European Journal of Cancer. - 1879-0852. ; 39:16, s. 2379-2386
  • Tidskriftsartikel (refereegranskat)abstract
    • The aim of this study was to determine therapy-related risk factors for the development of melanoma after childhood cancer. Among 4401 3-year survivors of a childhood cancer in eight French and British centres and 25 120 patients younger than 20 years old at first malignant neoplasm (FMN) extracted from the Nordic Cancer Registries, 16 patients developed a melanoma as a second malignant neoplasm (SMN). A cohort study of the French and British cohorts was performed. In a nested case-control study, the 16 patients who developed a melanoma as a SMN (cases) were matched with 3-5 controls in their respective cohort according to gender, age at the first cancer, the calendar year of occurrence of the first cancer and follow-up. Radiotherapy appeared to increase the risk of melanoma for local doses > 15 Gy, Odds Ratio (OR)= 13 (95% Confidence Interval (CI): 0.94-174). Regarding chemotherapy, we observed an increased OR for both alkylating agents and spindle inhibitors, OR 2.7 (95% CI: 0.5-14). Children treated for a gonadal tumour as a FMN were found to be at a higher risk of melanoma, OR 8.7 (95% CI: 0.9-86). The adjusted OR for the local radiation dose was 1.07 (95% CI: 1.00-1.15). In conclusion, radiotherapy may contribute to an increased risk of melanoma as a SMN, but only at very high doses of low linear energy transfer radiation. Common genetic origins between gonadal tumours and malignant melanomas are likely. (C) 2003 Elsevier Ltd. All rights reserved.
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10.
  • Ringberg, Anita, et al. (författare)
  • Cell biological factors in ductal carcinoma in situ (DCIS) of the breast-relationship to ipsilateral local recurrence and histopathological characteristics
  • 2001
  • Ingår i: European Journal of Cancer. - 1879-0852. ; 37:12, s. 1514-1522
  • Tidskriftsartikel (refereegranskat)abstract
    • All cases of ductal carcinoma in situ (DCIS) diagnosed from 1987 to 1991 in the Southern Health Care Region of Sweden, and operated upon with breast conserving treatment (BCT) with (n=66) or without (n=121) postoperative radiation (RT) were clinically followed, morphologically re-evaluated and analysed for cell biological factors (immunohistochemical assays or DNA flow cytometry). Median age at diagnosis was 58 years (range 29--83 years) and median follow-up was 62 months. Oestrogen (ER)- and progesterone receptor (PR)-negativity, c-erbB-2 overexpression, low bcl-2 expression, p53 accumulation, DNA non-diploidy and high Ki67, were strongly associated with high grade DCIS, and comedo-type necrosis. In contrast, significant associations to growth pattern (not diffuse versus diffuse) were seen only for c-erbB-2 and PgR. There was also a strong relationship between the cell biological factors, and a summary cell biological index based on principal component analysis was introduced (CBI-7). In the group that had not received postoperative RT, 31 ipsilateral local recurrences occurred (13 invasive, 18 DCIS). Ipsilateral recurrence-free interval (IL-RFI) was in univariate analyses significantly, or almost significantly, shorter for patients showing p53 accumulation, high Ki67 or low bcl-2, compared with patients with normal p53, low Ki67 and high bcl-2. The prognostic importance of the remaining cell biological factors was less pronounced. On the other hand, the index CBI-7, was a strong predictor for recurrence.
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