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pubmed:abstractText |
90 cases of polycythemia vera (PV) were diagnosed and followed up more than 3 years in PUMC Hospital from 1957 to 1986. 15 cases (16.7%) had various transformations during their courses. 4 cases had more than one kind of transformation. As a rare event, one case transformed to chronic lymphocytic leukemia. For illustration, some typical cases were presented, and the related fetuses discussed.
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