PMC3111037_01
Cytospin preparation of the cerebrospinal fluid of Case 1 showing promyelocytes with Auer rods in the cytoplasm. Numerous red blood cells are seen in the background (Wright-Giemsa stain, x1,000).
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F1
A lumbar puncture was performed to investigate the cause of her stuporous mentality; and cerebrospinal fluid (CSF) analysis revealed a WBC count of 2.2x109/L, red blood cell (RBC) count of 0.16x1012/L, and leukemic promyelocyte proportion of 97% in the bloody background (Fig. 1).
PMC3111037_02