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  • 1
    ISSN: 1432-1440
    Keywords: Histological examination of bone marrow ; Staging non-Hodgkin's lymphoma ; Analysis of gene rearrangements ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The histological examination of bone marrow specimens is one of the standard procedures in staging non-Hodgkin's lymphoma. To investigate the validity of a conventional unilateral iliac crest biopsy, we performed a prospective study comparing histological findings with analysis of gene rearrangements in bone marrow samples and magnetic resonance imaging of bone marrow. Twenty-seven consecutive patients with non-Hodgkin's lymphoma (ten with high grade, seventeen with low grade) were studied. In twelve patients, histological examination revealed bone marrow infiltration. Results of histology and magnetic resonance imaging were discordant in three of the twenty-seven patients. With magnetic resonance imaging, suspected infiltration was found in two patients without histological evidence for bone marrow involvement in the disease. In one patient, an infiltration was described by histology but MRI revealed no pathological findings. In this case, DNA analysis confirmed bone marrow infiltration by detection of a clonal rearrangement of the immunoglobulin heavy chain gene. Analysis of gene rearrangements was performed in ten patients. As examined by histology, five of them had bone marrow involvement in the disease and five had not. In all these cases, analysis of gene rearrangements confirmed the histological findings. Our data show that, despite the small volume of bone marrow specimens, the sensitivity of an iliac lymphoma.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Annals of hematology 39 (1979), S. 141-145 
    ISSN: 1432-0584
    Keywords: Alkalische Leukozytenphosphatase (ALP) ; maligne Erkrankungen ; Metastasen ; Leukocyte alkaline phosphatase (LAP) ; Malignant disease ; Metastases
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary The leukocyte alkaline phosphatase (LAP) levels were determined in 183 patients with malignant diseases and 71 normal controls. The median LAP scores were 64 units (range 0 to 290) for the patients and 55 (range 2 to 158) for the controls, respectively, and no significant difference could be established. When analyzed according to primary malignancy, only in patients with Hodgkin's disease (n = 14) was the median value higher than normal (p 〈 0.001). In patients with distant metastases (n = 48), higher LAP levels were demonstrated (M = 76, range 21 to 290) as compared to patients with no evidence of metastases (M = 53, range 0 to 229), (p 〈0.01). Thus, LAP activity has very limited value in the diagnosis of malignancies. Its elevation in the presence of malignant disease might, however, indicate metastases.
    Notes: Zusammenfassung Bei 183 Patienten mit malignen Erkrankungen und 71 Kontrollpersonen wurde der ALP-Index untersucht. Der Median für die Patienten war 64 (range 0–290) und für die Kontrolle 55 (range 2–158). Dieser Unterschied ist jedoch statistisch nicht signifikant. Bei der Analyse der ALP-Indices nach Tumorgruppen konnte eine signifikante Erhöhung des ALP-Index nur bei Morbus Hodgkin (n = 14) festgestellt werden (p 〈0,001). Der ALP-Index war auch bei Patienten mit Metastasen (n = 48) (M = 76, range 21 zu 290) im Vergleich zum ALP-Index bei Patienten ohne Metastasen (n = 118, M = 53 range 0–229) erhöht (p 〈0,01). Die ALP-Aktivität hat also nur einen beschränkten Wert in der Diagnostik bei malignen Erkrankungen. Eine Erhöhung kann jedoch auf das Vorliegen von Metastasen hinweisen.
    Type of Medium: Electronic Resource
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