Two articles in this issue of the Journal, by Dave et al.1 andHummel et al.,2 report on the use of gene-expression microarraytechnology to improve the accuracy of the diagnosis of Burkitt'slymphoma. The two studies differ in many important ways, butboth reach the same conclusion: the gene-expression profilingof cases classified as Burkitt's lymphoma by expert pathologistsidentifies a characteristic genetic signature that clearly distinguishesthis tumor from cases of diffuse large-B-cell lymphoma. Furthermore,the microarray method seems to outperform the expert pathologists:17 percent1 and 34 percent2 of cases with the gene-expressionsignature of Burkitt's lymphoma . . . [Full Text of this Article]
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From the Department of Pathology, Massachusetts General Hospital and Harvard Medical School both in Boston (N.L.H.); and the Oncology Division, Department of Medicine, Stanford Medical School, Stanford, Calif. (S.J.H.).
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