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Sökning: WFRF:(Willén Roger) > (2005-2009) > (2006)

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  • Agnarsdottir, Margret, et al. (författare)
  • Malacoplakia and spermatic granuloma complicating vasectomy
  • 2006
  • Ingår i: Uppsala Journal of Medical Sciences. - : Taylor & Francis. - 0300-9734 .- 2000-1967. ; 111:2, s. 227-230
  • Tidskriftsartikel (refereegranskat)abstract
    • Malacoplakia is a granulomatous disease with a histiocytic infiltrate containing calcified structures called Michaelis-Gutmann bodies. These structures are considered to represent an abnormal response to infection involving defective lysosomes and abnormal microbubular assembly. The disease most frequently involves urinary and genital tracts, but has also been described from most other organs. Here we present the first case of malacoplakia only involving the vas deferens.
  • Odin, Elisabeth, 1955, et al. (författare)
  • Expression and clinical significance of methylenetetrahydrofolate reductase in patients with colorectal cancer
  • 2006
  • Ingår i: Clin Colorectal Cancer. - 1533-0028. ; 5:5, s. 344-9
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: The aim of the study was to investigate the influence of methylenetetrahydrofolate reductase (MTHFR) gene expression levels and MTHFR polymorphism C677T on the outcome of patients with colorectal cancer (CRC). Furthermore, we wanted to evaluate the interaction between MTHFR and thymidylate synthase (TS) and folylpolyglutamate synthase (FPGS) and to investigate the impact of folate concentration on patients with CRC with different MTHFR genotypes. PATIENTS AND METHODS: The frequency of MTHFR polymorphism C677T was determined (n = 147), and gene expression levels of MTHFR, TS, and FPGS were quantified with real-time polymerase chain reaction (n = 157). Reduced folates in tissue were measured with a binding assay (n = 40). RESULTS: We observed a significantly lower concentration of tetrahydrofolate (THF) in patients with CT or TT genotypes compared with patients having the CC genotype. Twenty-six patients with Dukes A to C tumors who had not been subjected to chemotherapy relapsed. Out of these, 18 had CT or TT genotypes, and only 8 had the CC genotype (P = 0.045). Furthermore, 75 patients did not relapse, and out of these, 35 had CT or TT genotypes, and 40 had the CC genotype. The relative gene expression level of MTHFR in patients subgrouped by CC and CT or TT genotypes was significantly lower in carcinomas compared with adjacent mucosa (P < 0.0001 and P < 0.0001, respectively). A significant difference in MTHFR expression level was also observed according to MTHFR genotype in the tumor but not in adjacent mucosa. The MTHFR gene expression level in mucosa was a prognostic parameter independent of the clinicopathologic factors with regard to survival for patients with MTHFR C677T mutation. CONCLUSION: Our results showed that it is possible to identify patients with CRC with a higher risk for relapse. Furthermore, patients with a mutant genotype in combination with low MTHFR expression have a poor clinical outcome.
  • Marthinsen, Lars, et al. (författare)
  • Kolonspiroketos - behandlingsbart och värt att uppmärksamma : Erfarenheter från pediatrisk praktik
  • 2006
  • Ingår i: Läkartidningen. - 0023-7205 .- 1652-7518. ; 103:46, s. 3600-3602
  • Forskningsöversikt (refereegranskat)abstract
    • This article is written to raise awareness among clinicians and pathologists regarding the existence of colonic spirochetosis. Whether this is of clinical significance is still a matter of debate. We report a series of sixteen randomly selected patients, all of paediatric age; eight of them have been reported in a previous publication (10). In one patient, spirochetes were found both in the colon and in the liver. The colon organisms were Brachyspira aalborgi, documented by antigen test; however, due to lack of material, the spirochetes in the liver could not be typed. As 10 of 13 patients recovered or improved after antibiotic treatment with clarythromycin or metronidazole, our conclusion is that Brachyspira may be pathogenic. We suggest that when a rectosigmoidoscopy/colonoscopy is performed, colonic spirochetosis should be considered, especially in the differential diagnosis to microscopic colitis.
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