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????????MPN???????????????????????????????????WHO???Janus????2?JAK2?V617F???BCR-ABL1?????????????????????????????????????????????? 90 ?????? MPN ????????53.4±14?????16?81???????2.4?1? 44/90 MPN ?? (48.9%) ? JAK2 (V617F) ???????????MPN???46????????????JAK2????19??41.3%??25?????????????17??68%??15????????????8??53.3%??0?4 ???????????0%??????????? JAK2 ?????????????????????????????32 /44 JAK 2 ??????(72.7%) ?12 /44 JAK2 ??????(27.3 %) ???? = 0.000???????????????????????? JAK2 ??????? 90% ??????JAK2 (V617F) ????????????????????????????????????????????????????WHO????????????????PCR????????????????????JAK2?V617F???????????????????????????????????
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