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Träfflista för sökning "hsv:(MEDICIN OCH HÄLSOVETENSKAP) hsv:(Klinisk medicin) hsv:(Cancer och onkologi) srt2:(2000-2004)"

Sökning: hsv:(MEDICIN OCH HÄLSOVETENSKAP) hsv:(Klinisk medicin) hsv:(Cancer och onkologi) > (2000-2004)

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41.
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42.
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43.
  • Carlsson, Maria, 1958-, et al. (författare)
  • Treatment modality affects long-term quality of life in gynaecological cancer.
  • 2000
  • Ingår i: Anticancer Research. - : The International Institute of Anticancer Research. - 0250-7005 .- 1791-7530. ; 20:1B, s. 563-568
  • Tidskriftsartikel (refereegranskat)abstract
    • In order to survey the side effects after cancer treatment, quality of life data were collected from females in clinical remission. MATERIALS AND METHODS The study was cross-sectional; every patient that visited the outpatient clinic during a period of three months was asked to anonymously complete the EORTC QLQ-C30 questionnaire and five additional specific questions related to gynaecological cancer. RESULTS In total, 235 patients (90%) returned the questionnaire. In general, both the levels of functioning and symptomatology were time-dependent. Patients with short treatment-free intervals reported more problems than the others. When using treatment modality as an independent variable in the statistical calculations, a treatment-related effect on functioning and symptomatology was demonstrated (p < 0.05 to p < 0.001). Patients previously treated with chemotherapy had poorer role- and cognitive functioning and more problems with fatigue, nausea, vomiting, dyspnoea, constipation and financial problems, compared with those not treated with chemotherapy (p < 0.05 to p < 0.01). Those patients who had been treated with external radiotherapy and/or brachytherapy had significantly more problems with flatulence and diarrhoea (p < 0.05 to p < 0.001). In conclusion, patients who underwent treatment for gynaecological cancer reported long-term side effects also many years after finishing treatment. The problems where related to treatment modality which should be considered, especially when planning adjuvant treatment.
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44.
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45.
  • Eker, Charlotta, et al. (författare)
  • Multivariate analysis of laryngeal fluorescence spectra recorded in vivo
  • 2001
  • Ingår i: Lasers in Surgery and Medicine. - : John Wiley and Sons Inc.. - 0196-8092. ; 28:3, s. 259-266
  • Tidskriftsartikel (refereegranskat)abstract
    • Background and Objective: The potential of using various multivariate analysis methods for classification of fluorescence spectra acquired in vivo from laryngeal tissues in Patients was investigated. Study Design/Materials and Methods: Autofluorescence spectra were measured on 29 normal tissue sites and 25 laryngeal lesions using 337-nm excitation. Four different multivariate analysis schemes were applied. Laryngeal fluorescence spectra from patients who had been administered F-aminolevulinic acid (ALA) were obtained using 405-nm excitation and were classified using partial least squares discriminant analysis (PLS-DA). Results: For autofluorescence spectra, logistic regression based on principal component analysis (PCA) or PLS, or PLS-DA all resulted in sensitivities and specificities around 90% for lesion vs. normal. Using ALA and 405-nm excitation gave a sensitivity of 100% and a specificity of 69%. Conclusion: Multivariate analysis of fluorescence spectra could allow classification of laryngeal lesions in vivo with high sensitivity and specificity. PLS performs at least as well as PCA, and PLS-DA performs as well as logistic regression techniques on these data.
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46.
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47.
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48.
  • Jin, Charlotte, et al. (författare)
  • Karyotypic heterogeneity and clonal evolution in squamous cell carcinomas of the head and neck.
  • 2002
  • Ingår i: Cancer Genetics and Cytogenetics. - : Elsevier. - 0165-4608. ; 132:2, s. 85-96
  • Tidskriftsartikel (refereegranskat)abstract
    • Head and neck squamous cell carcinomas (HNSCC) are often characterized by complex karyotypic changes, and a substantial proportion of the reported tumors have shown intratumor heterogeneity in the form of cytogenetically related (40%) or unrelated clones (20%). In order to study intratumor heterogeneity and to distinguish the temporal order of chromosome rearrangements in these tumors, two or more samples from different areas of the same tumor were separately examined in 19 HNSCC, yielding karyotypes from a total of 42 tumor samples. Intrasample heterogeneity was observed in 16 samples. Two samples displayed both related and unrelated multiple clones, four samples showed only multiple unrelated clones, and the remaining 10 samples had only related subclones. Intersample heterogeneity was detected in all but one tumor. Five tumors showed both cytogenetically related and unrelated multiple clones, 11 were found to have only related subclones, and the remaining two tumors showed only unrelated clones. Clonal evolution could be assessed in 13 tumors. A comparison of chromosome imbalances in different subclones from these tumors suggests that partial or entire loss of 3p, 8p, 9p, and 18q and gain of genetic material from 3q and 8q are likely to be early genetic events. In contrast, loss of 1q, 6p, 7q, and chromosome 10, as well as gain of chromosome arms 5p and 7p, are most probably later genetic events. One of the examined tumors contained two highly complex clones that were cytogenetically unrelated, indicating that this tumor had a multicellular origin.
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49.
  • Liedberg, Fredrik, et al. (författare)
  • Diagnostic delay and prognosis in invasive bladder cancer
  • 2003
  • Ingår i: Scandinavian Journal of Urology and Nephrology. - : Taylor & Francis. - 0036-5599. ; 37:5, s. 396-400
  • Tidskriftsartikel (refereegranskat)abstract
    • Objectives: To study diagnostic delay in invasive bladder cancer in a population-based material with long-term follow-up, and to evaluate whether delay in diagnosis affects the risk of bladder cancer death. Material and Methods: In a previous study, 177 patients with invasive bladder cancer (T1-T4) diagnosed in 1988 were investigated with regard to diagnostic delay. A review of all available clinical records was performed. In the present study, causes of death for these patients were registered over a 12-year follow-up period, and the impact of diagnostic delay on bladder cancer death was studied by means of survival analysis. Results: The median diagnostic delay in the material was 144 days. When the patients were stratified into groups with diagnostic delays of 0-3, 3-6, 6-12 and >12 months, those with T1 tumours in the two groups with a diagnostic delay of <6 months showed a trend towards a decreased risk of bladder cancer death. In contrast, in patients with muscle-invasive disease, a significantly increased risk of bladder cancer death was noted for those with a diagnostic delay of <6 months. Conclusion: A trend towards better prognosis was found for patients with T1 tumours with a shorter diagnostic delay. The poor prognosis of patients with muscle-invasive disease and a short diagnostic delay suggests aggressive behaviour of the tumour and may explain the worse prognosis in these patients.
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50.
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