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- Fritzell, P., et al.
(författare)
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Antibiotics should not be used to treat patients with back/leg pain
- 2020
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Ingår i: Läkartidningen. - 1652-7518. ; 117
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Tidskriftsartikel (refereegranskat)abstract
- This report is based on results from three research groups in Sweden (Fritzell et al), Denmark (Udby et al), and Norway (Bråten et al). The groups have conducted studies published in international journals in 2019 [8-10]. The results complement each other and strongly suggest that antibiotics, in the absence of clear signs of a clinically relevant infection (discitis/spondylitis), should not be used for back pain with or without leg pain. The Swedish study showed that bacteria found in the disc/vertebra during surgery are very likely due to contamination [8], the Danish study showed that patients with Modic Changes (MC) on MR in the long term were not associated with more back pain or functional impairment than in patients without MC [9], and the Norwegian study showed that antibiotics for residual back pain after previous disc herniation had no better clinical effect than placebo [10]. Antibiotic resistance is one of the biggest threats to public health today and in the future.
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- Edlund, R, et al.
(författare)
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Cone-Beam CT in diagnosis of scaphoid fractures
- 2016
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Ingår i: Skeletal radiology. - : Springer Science and Business Media LLC. - 1432-2161 .- 0364-2348. ; 45:2, s. 197-204
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Tidskriftsartikel (refereegranskat)
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- Hallor, Karolin H, et al.
(författare)
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Genomic profiling of chondrosarcoma: chromosomal patterns in central and peripheral tumors.
- 2009
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Ingår i: Clinical Cancer Research. - 1078-0432. ; 15:8, s. 2685-2694
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Tidskriftsartikel (refereegranskat)abstract
- PURPOSE: Histologic grade is currently the best predictor of clinical course in chondrosarcoma patients. Grading suffers, however, from extensive interobserver variability and new objective markers are needed. Hence, we have investigated DNA copy numbers in chondrosarcomas with the purpose of identifying markers useful for prognosis and subclassification. EXPERIMENTAL DESIGN: The overall pattern of genomic imbalances was assessed in a series of 67 chondrosarcomas using array comparative genomic hybridization. Statistical analyses were applied to evaluate the significance of alterations detected in subgroups based on clinical data, morphology, grade, tumor size, and karyotypic features. Also, the global gene expression profiles were obtained in a subset of the tumors. RESULTS: Genomic imbalances, in most tumors affecting large regions of the genome, were found in 90% of the cases. Several apparently distinctive aberrations affecting conventional central and peripheral tumors, respectively, were identified. Although rare, recurrent amplifications were found at 8q24.21-q24.22 and 11q22.1-q22.3, and homozygous deletions of loci previously implicated in chondrosarcoma development affected the CDKN2A, EXT1, and EXT2 genes. The chromosomal imbalances in two distinct groups of predominantly near-haploid and near-triploid tumors, respectively, support the notion that polyploidization of an initially hyperhaploid/hypodiploid cell population is a common mechanism of chondrosarcoma progression. Increasing patient age as well as tumor grade were associated with adverse outcome, but no copy number imbalance affected metastasis development or tumor-associated death. CONCLUSION: Despite similarities in the overall genomic patterns, the present findings suggest that some regions are specifically altered in conventional central and peripheral tumors, respectively.
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