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  • 2000-2004  (2)
  • Immunohistochemistry  (1)
  • Keywords: Chordoid meningioma; meningioma without dural attachment; peritumoural oedema.  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Prognostic value of P-glycoprotein expression in bone and soft-tissue sarcoma (2000)
    Springer
    International journal of clinical oncology 5 (2000), S. 164-170 
    Details
    ISSN: 1437-7772
    Keywords: Key words P-glycoprotein ; Osteosarcoma ; Soft-tissue sarcoma ; Prognosis ; Immunohistochemistry ; RT-PCR
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background. The purpose of this study was to investigate the correlation between P-glycoprotein status and outcome in adult patients with high-grade osteosarcomas and soft-tissue sarcomas. Methods. P-glycoprotein status was determined im-munohistochemically in specimens from 28 patients with osteosarcoma and 34 patients with soft-tissue sarcoma. The polyclonal antibody mdr(Ab-1) was used for either decalcified or undecalcified tissue samples which were formalin-fixed and paraffin-embedded. The expression of P-glycoprotein mRNA was also determined by the polymerase chain reaction in 23 fresh sarcoma specimens. P-glycoprotein status was analyzed in relation to the duration of event-free survival. Results. Positivity for P-glycoprotein was found in 29% of the osteosarcomas and 34% of the soft-tissue sarcomas. Consistent results were obtained at both the immunohistochemical and reverse transcriptase-polymerase chain reaction (RT-PCR) levels in 19 of 23 sarcomas (83%). In patients with osteosarcoma, the presence of increased levels of P-glycoprotein was significantly associated with a decreased probability of event-free survival after diagnosis (P = 0.022). In contrast, in patients with soft-tissue sarcoma there was no correlation between the level of P-glycoprotein and prognosis. Conclusions. In patients with high-grade osteosarcomas, the presence of increased levels of P-glycoprotein detected by polyclonal antibody mdr(Ab-1) was associated with a significantly increased risk of adverse events. This association was not found in patients with soft-tissue sarcomas.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/PL00012032
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    A Case of Subcortical Meningioma (2000)
    Springer
    Acta neurochirurgica 142 (2000), S. 209-213 
    Details
    ISSN: 0942-0940
    Keywords: Keywords: Chordoid meningioma; meningioma without dural attachment; peritumoural oedema.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary ¶ Subcortical meningioma, which has been reported as meningioma without dural attachment, a cerebral subcortical lesion, is extremely rare. Very few findings of radiological examination of subcortical meningioma have been described. Pre-operative differentiation of this lesion is generally difficult. We characterize the peritum oural oedema adjacent to the meningioma in this region, and we suggest that radiological findings of peritum oural oedema contribute to differential diagnosis of subcortical meningiomas.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s007010050026
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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