試題詳解

24.某23歲未婚女性，因員工體檢發現白血球過高到醫院複診。在左肋緣下方可觸診到脾臟（約8公分）；血液檢驗顯示Hb=10.2 g/dL、WBC=153,120/µL，血小板=666,000/µL；WBC分類結果：blast 1%、promyelocyte 4.5%、myelocyte 20.5%、metamyelocyte 9.5%、band 16.5%、segmented neutrophil 34.3%、eosinophil 3.8%、basophil 5.7%、monocyte 1%、lymphocyte 3.2%；骨髓檢查結果：hypercellularity、blast 4%；骨髓抹片可見白血球系列分化正常、LAP score 17，則推測最可能罹患下列何種白血病？
(A)myeloproliferative disorders
(B)leukemoid reaction
(C)acute myeloid leukemia
(D)chronic myeloid leukemia