Myeloid sarcoma of the colon as initial presentation in acute promyelocytic leukemia: A case report and review of the literature

Figure 1 Laboratory examination results of this patient. A: Bone marrow morphology revealed 68% of abnormal promyelocyte cells (100 ×); B: Flow cytometric analysis of bone marrow cells showed a population of abnormal cells (P3: 69.6%); C: Karyotype of this patient: 46, XX, t (15; 17) (q22; q21); D: Fluorescence in situ hybridization (FISH) results in bone marrow cells at diagnosis showed PML/RARα fusion; E: FISH results in intestinal tissue cells at diagnosis showed PML/RARα fusion.