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Zhonghua Xue Ye Xue Za Zhi. 2004 Sep;25(9):528-31.

[Report of 8 cases of bcr-abl gene positive thrombocytosis and review of the literature].

[Article in Chinese]

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  • 1Department of Hematology, Second Affiliated Hospital, Hebei Medical University, Shijiazhuang 050000, China.



To analyse the features of 8 cases of Bcr(+) thrombocytosis.


The clinical and hematological features and therapeutic outcomes were studied retrospectively in 8 Bcr(+) thrombocytosis and compared with essential thrombocytosis (ET) and chronic myeloid leukemia-chronic phase thrombocytosis (CML-CP-T). BCR-ABL fusion gene was detected with PCR.


(1) Except for the presence of BCR-ABL fusion gene, there was no significant difference in clinical and hematological features and therapeutic outcomes between thrombocytosis with or without BCR-ABL. (2) The Bcr(+) thrombocytosis differed from CML-CP-T in the following aspects: female predominance, milder or no splenomegaly, peripheral leukocytes count < 40 x 10(9)/L, less or no basophilia and fewer immature granulocytes in peripheral blood, bone marrow granulocytic and/or megakaryocytic lineage hyperplasia, normal or increased neutrophil alkaline phosphatase score and less blastic transformation.


Bcr(+) thrombocytosis may be considered as a new member of chronic myeloproliferative diseases, a variant of essential thrombocythemia.

[PubMed - indexed for MEDLINE]
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