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  • 1
    ISSN: 1432-1440
    Keywords: Circulating immune complexes ; Bronchogenic carcinoma ; Zirkulierende Immunkomplexe/Bronchialkarzinom
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Zirkulierende Immunkomplexe wurden im Serum von 72 Patienten mit Bronchialkarzinom, 20 Patienten mit verschiedenen gutartigen Lungenerkrankungen und 34 altersentsprechenden Kontrollen mit Hilfe der Säulenchromatographie (Sepharose 6 B) und dem C1q-Deviationstest (Hemmung der Bindung von radioaktiv markiertem C1q an sensibilisierte Schafserythrozyten) bestimmt. Während bei den Kontrollen und bei den Patienten mit nicht malignen Lungenerkrankungen zirkulierende Immunkomplexe in weniger als 5% nachgewiesen wurden, konnten mit der Säulenchromatographie in 83% und mit dem C1q-Deviationstest in 53% der Seren von Patienten mit Bronchialkarzinom makromolekulares IgG bzw. C1q reaktives Material zum Zeitpunkt der Diagnose bestimmt werden. Patienten mit Metastasen zeigten in einem signifikant höheren Prozentsatz einen positiven Komplexnachweis als Patienten ohne Metastasen (makromolekulares IgG 94%/68%, C1q 71%/28%). Mit fortschreitender Erkrankung stieg das Molekulargewicht der Immunkomplexe an. Der Nachweis zirkulierender Immunkomplexe vor und nach Strahlen-, Chemo- und Immuntherapie ergab keinen signifikanten Unterschied mit Ausnahme eines Anstiegs von C1q reaktivem Material nach Strahlentherapie.
    Notes: Summary In sera of 72 patients with lung cancer, 20 patients with various benign lung diseases and 34 age matched controls circulating immune complexes were determined by column chromatography on Sepharose 6 B and subsequent testing of the eluate for macromolecular IgG as well as by inhibition of radiolabelled C1q binding to sensitized sheep erythrocytes. Whereas in both control and benign lung disease-sera complexes could be detected in less than 5%, sera of lung cancer patients showed macromolecular IgG in 83% and C1q reactive material in 53% at the time of diagnosis. Patients with metastases exhibited a significantly higher percentage of positive reactions than those without metastases (macromolecular IgG 93%/68%, C1q 71%/28%). The size of the complexes increased with the extent of disease. So far, no significant changes in circulating immune complexes could be demonstrated if pretherapeutic values were compared with those after X-ray-, chemo- or immunotherapy with one exception, which is an increase of C1q reactive material after radiotherapy.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Histopathology 18 (1991), S. 0 
    ISSN: 1365-2559
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Bellini duct carcinomas have recently been identified as a new entity in the spectrum of renal cell carcinomas and 10 cases have now been reported. The present paper adds detailed clinical and morphological data on six new cases. In addition, immunohistological and electronmicroscopical results support the origin of these tumours from the renal collecting ducts, especially the papillary ducts (Bellini ducts). A set of immunohistological reactions, including reactions to cytokeratins 13 and 19, vimentin and UEA-1 was found to facilitate the differential diagnosis of Bellini duct carcinomas from other renal cell carcinomas and infiltrating urothelial carcinomas of renal pelvis.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1433-8726
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A total of 53 patients with stage IV renal cell carcinoma were treated by vaccination with autologous tumor cells in Candida-antigen after palliative tumor nephrectomy. Follow-up has been up to 9 years. Complete remission within 48 months after nephrectomy was observed in 3 patients, while 6 showed partial remission and 18 are stable with disease. Of 26 patients with rapid progression, 17 died within 1 year after operation. The best response was seen in metastases to the liver and lung. CNS-lesions or bone metastases do not appear to respond to this treatment. We conclude that this mode of therapy is beneficiary to a certain group of patients and should be offered, as no severe side effects have been observed so far. Whether new perspectives of adoptive immunotherapy using tumor-specific monoclonal antibodies or recombinant interferons will prove effective remains to be seen.
    Type of Medium: Electronic Resource
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