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- W1995359905 abstract "AIDS-associated cutaneous Kaposi's sarcomas (KS) in 35 patients were the subject of a histopathological and immunohistochemical study. Histologically, the tumours were classified as granulation-tissue-like (Gr, n=10), angioma-like (A, n=11), angiosarcoma-like (AS, n=9) and as spindle cell type (SP, n=5). There was a distinct relationship between the main growth patterns of KS and the CD4+ peripheral blood lymphocyte (PBL) count. A decrease in numbers of CD4+ PBL was correlated with an increase in the frequency of AS and SP growth patterns. There were no correlations between growth pattern and concentrations of protein S100+, MT1+, CD45+ and MAK387+ tumour-associated inflammatory cells. When the GR type was grouped together with the A type, and the AS type with the SP type, statistically significant differences emerged for CD45+ and MT1+ tumour-associated cells, and for survival time, respectively. In all these instances, the GR/A group values were higher than those of the AS/SP group. Additionally, linear correlation analysis revealed an inverse relationship between the concentrations of CD4+ PBL and of protein S100+ tumour-associated inflammatory cells within the GR/A group. In contrast to what is observed with certain tumours of HIV-negative patients, this suggests that a high concentration of protein S100+ tumour-associated cells may indicate a worse prognosis in the GR/A group. The concentration of MAK387+ tumour-associated macrophages did not vary as a function of the growth patterns, even when they were grouped together as described above. It is concluded that the different types of KS fo not vary in the production of tumour-derived chemotactic factors crucial for monocyte/macrophage migration into the stroma of malignant tumours. Nous avons étudié sur les plans immunohistochimique et histopathologique 35 cas de sarcomes cutanés associés au SIDA. Les tumeurs sont histologiquement classés comme suit: tissu granulaire (GR, 10 cas), angiomes (A, 11 cas), angiosarcomes (AS, 9 cas) et aspect de cellules en fuseaü (SP = spindle, 5 cas). II existe une relation nette entre les principaux types de développement des sarcomes et le nombre des lymphocytes CD4+ du sang périphérique (PBL). La diminution du nombre des PBL CD 4+ est corrélée à l'augmentation de la fréquence des modèles AS et SP. II n'existe pas de corrélation entre le modèle de développement et le nombre des cellules protéine-S100+ MT1+, CD45+ et MAK387+ asspciée à la tumeur. Quand on groupe les types GR et A d'une part, et AS et SP d'autre part, des différences statistiques significatives apparaissent respectivement pour les cellules associées CD45+ ou MT1+, et pour le temps de survie. Dans tous les cas les valeurs du groupe GR/A sont plus élevées que celles du groupe AS/SP. De plus l'analyse de la corrélation linéaire met en évidence l'existence d'une relation inverse entre les concentrations de PBL CD4+ et de cellules inflammatoires associées S100+ dnas le groupe GR/A. A l'opposé de ce qui est observé pour certaines tumeurs de sijets VIH, ces résultats suggérent que la concentration élevée de cellules S100+ peut exprimer un mauvais pronostic pour le groupe GR/A. La concentration de macrophages MAK387+ n'a pas varié en fonction des modèles de développement, même si on les considère par groupes comme ci-dessus indiqué. En conclusion, il n'y a pas de variation, parmi les différents types de sarcomes de Kaposi, dans la production de facteurs chimiotactiques dérivés de la tumeur et qui sont déterminants pour la migration des monocytes/macrophages dans le stroma des tumeurs malignes." @default.
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- W1995359905 date "1990-03-01" @default.
- W1995359905 modified "2023-09-28" @default.
- W1995359905 title "Growth patterns, inflammatory cells and prognosis in AIDS-associated Kaposi's sarcoma" @default.
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- W1995359905 doi "https://doi.org/10.1016/0923-2516(90)90022-b" @default.
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