Primary Philadelphia chromosome positive acute myeloid leukemia: A case report

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Philadelphia chromosome positive acute myeloid leukemia (Ph+ AML) is a rare subtype of AML that is now included as a provisional entity in the 2016 revised WHO classification of myeloid malignancies. However, a clear distinction between de novo Ph+ AML and chronic myeloid leukemia blast crisis is challenging. It is still a matter of debate whether Ph+ AML patients should be treated with chemotherapy or tyrosine kinase inhibitors as first-line therapy.

Patient concerns:

We reported here a case of a 46-year-old man who was diagnosed as Ph+ AML. This diagnosis was confirmed by bone marrow pathology and karyotype analysis of 46, XY, t (9; 22). Further examination, molecular genetic analysis showed BCR/ABL1 (p190) without ABL1 kinase domain mutations, and direct evidence demonstrated in AML by flow cytometry.


The diagnosis of Ph+ AML was made on May 2016 according to morphology, immunology, cytogenetic, and molecular criteria, and multiple organ failure was also diagnosed.


The patient was treated with dasatinib as the only medication after experiencing multiple organ failure. Then, he received 2 cycles of chemotherapy with IA (idarubicin 8 mg/m2, day 1–3; cytarabine 100 mg/m2, day 1–7) in August, 2016.


The patient finally achieved a complete molecular remission.


This case study suggests that dasatinib can be a safe and effective treatment for Ph+ AML patients with poor physical condition.

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