Table. 2.
Routine lymphocyte subset analysis including CD4/CD8 ratio in the peripheral blood by flow cytometry
| Case 1 | Reference range | Case 2 | Reference range | |
|---|---|---|---|---|
| WBC count (/μL) | 13,680 | 5,400-9,300 | 2,560 | 5,400-17,500 |
| Lymphocyte (%) | 46.3 | 42-59 | 7.0 | 51-68 |
| Lymphocyte (/μL) | 6,334 | 2,500-5,100 | 179 | 2,800-5,700 |
| CD3+ (%) | 80.5 | 58-68 | 51.3 | 60-71 |
| Total T cell (/μL) | 5,099 | 1,500-2,900 | 92 | 1,800-3,500 |
| CD4+ (%) | 36.4 | 29-40 | 36.4 | 37-48 |
| Helper T cell (/μL) | 2,306 | 1,000-2,100 | 65 | 1,700-2,400 |
| CD8+ (%) | 42.6 | 19-25 | 8.2 | 16-21 |
| Cytotoxic T cell (/μL) | 2,698 | 700-1,200 | 15 | 800-1,100 |
| CD4+/CD8+ ratio | 0.9 | 1.1-2.0 | 4.4 | 1.6-2.9 |
| CD16+CD56+ (%) | 4.0 | 7-19 | 42.0 | 7-16 |
| NK cell (/μL) | 253 | 300-600 | 75 | 100-800 |
| CD19+ (%) | 13.7 | 3.9-19.7 | 1.1 | 3.9-19.7 |
| B cell (/μL) | 868 | 700-1,300 | 2 | 700-1,300 |
Abbreviations: CD, cluster of differentiation; WBC, white blood cell; NK, natural killer.
Lab Med Online 2023;13:53~59 https://doi.org/10.47429/lmo.2023.13.1.53
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