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Clinical and pathological features of the sporadic Burkitt's lymphoma / 白血病·淋巴瘤
Article en Zh | WPRIM | ID: wpr-473293
Biblioteca responsable: WPRO
ABSTRACT
Objective To investigate the clinical and pathological features of the sporadic Burkitt's lymphoma(BL),as well as its immunohistochemical and molecular characteristics.Methods 20 cases of sporadic BL were retrospectively studied by analyzing their light microscopy features,immunohistochemical expression,EBV infection detected by in stiu hybridization,chromosomal breakage of c-myc and/or lgH genes by interphase fluorescence in stiu hybridization (FISH),and their clinical manifestation.Results All the 20 cases of sporadic BL occurred in children(3-14 y)including 16 males and 4 females.Microscopically,the medium-sized tumor cells were monomorphic and proliferated in a diffuse pattern showingstarry-skywith numerous karyorrhectic debris.Mitotic figures were frequently seen.Immunohistochemically,the tumor cells were positive for CD20 and CD10,over 95%positive for Ki-67 and negative for TdT,CD99,MPO. No EBV infection wag found by in situ hybridization in 18 cases.Interphase FISH analysis detected c-myc gene breakage or amplification and/or IgH/c-myc gene breakage in all detected 15 cases.Conclusion Sporadic BL is a high-grade malignant B cell lymphoma.The tumor cell proliferation index is very high.Molecular and immunohistochemical analysis could reduce the incidence of misdiagnosis and thus phys a vital role on its correct diagnosis and appropriate therapy.
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Texto completo: 1 Base de datos: WPRIM Idioma: Zh Revista: Journal of Leukemia & Lymphoma Año: 2009 Tipo del documento: Article
Texto completo: 1 Base de datos: WPRIM Idioma: Zh Revista: Journal of Leukemia & Lymphoma Año: 2009 Tipo del documento: Article