case_images: PMC10601784_01
case_images: Treatment schedule. XRT: external beam radiotherapy; 13-cis-RA: cis-retinoic acid.
case_images: cro-2023-0016-0001-533571_F01.jpg
case_images: PMC10601784_01_cro-2023-0016-0001-533571_F01.jpg
case_images: F1
case_images: He began high-risk chemotherapy as per the CCCG-NB-2009 protocol (Fig. 1; Table 1). The CARE Checklist has been completed by the authors for this case report, attached as in online supplementary Figure 1 (for all online suppl. material, see https://doi.org/10.1159/000533571).
case_images: Bone marrow smear (Giemsa staining x1,000).
case_images: cro-2023-0016-0001-533571_F02.jpg
case_images: PMC10601784_01_cro-2023-0016-0001-533571_F02.jpg
case_images: F2
case_images: As shown in Figure 2, accounting for approximately 63.4% of nucleated cells in the bone marrow represents abnormal cells.
case_images: Results of molecular fluorescence in situ hybridization (FISH) analysis using specific DNA probes.
case_images: cro-2023-0016-0001-533571_F03.jpg
case_images: PMC10601784_01_cro-2023-0016-0001-533571_F03.jpg
case_images: F3
case_images: Qualitative screening revealed EVI1 positivity, and analysis showed chromosome 7 deletion in most cells (Fig. 3).