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Description
In a case of Philadelphia chromosome (Ph1)-negative chronic myeloid leukemia (CML) without the Y chromosome, we investigated the differences, at the molecular level, from Ph1-positive CML. Using Southern blot analysis and in situ hybridization studies, we could demonstrate a rearrangement within the breakpoint cluster region (bcr), and the location of a bcr-abl fusion gene on chromosome 22. To our knowledge, this is the first case of Ph1-negative CML with a loss of the Y chromosome in which the molecular abnormalities are shown to be identical with those in Ph1-positive CML.
Journal
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- Acta Haematologica
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Acta Haematologica 85 51-55, 1991-01-01
S. Karger AG