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  • 1
    Digitale Medien
    Digitale Medien
    Springer
    European journal of orthopaedic surgery & traumatology 7 (1997), S. 281-284 
    ISSN: 1432-1068
    Schlagwort(e): Lymphoma ; Lymphome
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Beschreibung / Inhaltsverzeichnis: Résumé Le cas d'une jeune femme de 19 ans porteuse d'un lymphome à cellules béta primitif est présenté. Une imagerie médicale complète avec scanner, IRM ainsi qu'une étude histologique ont été nécessaires au diagnostic, qui a d'abord été erroné avec suspicion d'ostéomyélite chronique. Une résection du fémur distal comprenant le genou a été réalisée et une distraction bipôlaire du cal fut ensuite appliquée. Après une inflammation locale, le diagnostic de lymphome à cellules béta put être posé et une étude immunohistochimique sur un prélèvement de tissus mous fut demand'ee. Une amputation de cuisse dut être effectuée à cause d'une grave nécrose et d'une surinfection des tissus mous. Des problèmes diagnostiques survinrent à cause de symptomes aspécifiques, d'incertitudes radiologiques et d'une absence de diagnostic histologique. Les facteurs de croissance ont probablement stimulé la croissance tumorale après la mise en route de la distraction du cal.
    Notizen: Summary A case of a 19-year-old female patient with a primary B-cell lymphoma of bone is presented. Although extensive diagnostic procedures including CT and MRI scans as well as bone histology were used, the case was initially misdiagnosed as chronic osteomyelitis. Resection of the distal femur including the knee joint was performed and bisegmental callus distraction was initiated. After local exacerbation a B-cell lymphoma was diagnosed histologically and immunohistochemically in a soft tissue specimen. Above-knee amputation had to be carried out due to severe local soft tissue necrosis and superinfection. Diagnostic problems arose from non-specific clinical symptoms, uncertain radiographic signs and non-diagnostic histology. Growth factors may have stimulated tumor growth after initiation of callus distraction.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Springer
    European journal of orthopaedic surgery & traumatology 8 (1998), S. 133-139 
    ISSN: 1432-1068
    Schlagwort(e): Total hip replacement ; Results ; Aseptic loosening ; Cemented ; Uncemented ; Titanium
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary Mid- and long term stability is still the major challenge in total hip replacement (THR). A consecutive series of cemented 250 cases and of uncemented 250 cases was analyzed in a prospective follow-up study. The femoral component of the BiCONTACT hip stem system with the same design for cemented and uncemented implantation was used. While the cemented stems had a smooth surface, the cementless implants were proximally coated with a microporous titanium plasmaspray (Plasmapore®). Follow-up time averaged 7 years for cemented and 6.5 years for uncemented THRs. Follow-up rate was 88.7% in cases treated with cemented stems and 93.1% in cases treated with an uncemented stem. The rate of aseptic loosening was 1.2% for the cemented version and 0.4% for the uncemented one. Radiological loosening could be observed in another 1.2% of the cemented stems but was not found in the uncemented cases. Our data suggest excellent midterm stability of both the cemented and the uncemented version of the BiCONTACT hip stem system. Early aseptic loosening especially of the cemented titanium alloy straight stem has not occurred in our series as reported recently. The prosthesis design and follow-up time may therefore play an important role. The long-term results for both cemented and uncemented BiCONTACT prostheses of our series are still to be evaluated.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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