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. 2020 Apr 23;9(1-2):23–29. doi: 10.14740/jh591

Table 3. Clinical and Genetic Characteristics of Published Cases Including Initial Molecular Lesion JAK2 and BCR/ABL in Combination With Molecular Change of JAK2, BCR/ABL or JAK2 and BCR/ABL.

Reference Initial phenotype Initial molecular lesion Phenotype change Molecular change Observations
Bee et al, 2010 [24] PVa JAK2 and BCR/ABL CML JAK2 present when BCR/ABL is treated, and vice versa. Two clones with clonal dominance.
Payande et al, 2011 [25] ETa JAK2 and BCR/ABL No No -
Hummel et al, 2012 [6] CML JAK2 and BCR/ABL PV High JAK2 allele burden when PV phenotype. PV phenotype when treated with imatinib.
Darling et al, 2017 [18] Neutrophilic leukocytosis, basophilia and thrombocytosis JAK2 and BCR/ABL No - Treated with TKI.
Xu et al, 2014 [26] CML BCR/ABL and JAK2 No - Two clones? CMR with TKI, persistent JAK2.
Hassan et al, 2015 [27] CML/MF BCR/ABL and JAK2 No - JAK2 tested in deferred in first sample. Poor control of BCR/ABL with TKI.
Hussein et al, 2008 [17] CMLb BCR/ABL and JAK2 No - Concurrent lesions at the beginning.
Toogeh et al, 2011[28] PV JAK2 homozygous BCR/ABL - - -
Park et al, 2013 [29] ET JAK2 and BCR/ABL None - Poor response with hydroxyurea.
PMF JAK2 and BCR/ABL - - BCR/ABL controlled with TKI.
Qin et al, 2014 [30] ET JAK2 and BCR/ABL - - Diagnosis during pregnancy.
Kramer et al, 2007 [31] CML BCR/ABL MF JAK2 JAK2 positive tested in deferred in first sample.
Bornhauser et al, 2007 [8] MF - - BCR/ABL JAK2 BCR/ABL secondary event proved by progenitor colonies analysis.
Campiotti et al, 2009 [32] CML BCR/ABL and JAK2 - - JAK2 and BCR/ABL controlled with TKI.
Pastore et al, 2013 [33] CML BCR/ABL TE JAK2 JAK2 positive tested in deferred in first sample.
Cambier et al, 2008 [34] PV BCR/ABL and JAK2 - - Two clones proved by progenitor colonies analysis.
CML
Conchon et al, 2008 [35] MF BCR/ABL and JAK2 - - JAK2 positive when BCR/ABL controlled with TKI.
CML
Inami et al, 2007 [36] CMLa BCR/ABL PV JAK2 JAK2 positive tested in deferred in first sample.
Gattenlohner et al, 2009 [37] CML BCR/ABL MDS/MPN JAK2 JAK2 positive since the beginning.

aAdditional high WBC/thrombocytosis/erythrocytosis. bBone marrow findings of other MPN. WBC: white blood cell; PV: polycythemia vera; PMF: primary myelofibrosis; ET: essential thrombocytosis; CML: chronic myelogenous leukemia; TKI: tyrosine kinase inhibitor; MPN: myeloproliferative neoplasm; MDS: myelodysplastic syndrome; CMR: Complete molecular response.