Table 1.
Summary of CSF results from cases.
| Case 1 | Case 2 | Case 3 | |
|---|---|---|---|
| CrAg | |||
| Undiluted CSF | Negative | Negative | Negative |
| 1:10 dilution of CSF | Positive | Positive | Negative |
| CrAg SQ on undiluted CSF | 3+ positive | 4+ positive | Negative |
| Other CSF analysis | |||
| WBC count, cells/mm3 | <5 | 45 | <5 |
| Protein, mg/dL | 27 | 109 | 31 |
| Gram Stain | 2+ yeast cells | 2+ yeast cells | No organisms |
| QCC, CFU/mL | 600,000 | 520,000 | No growth |
Abbreviations: CrAg, cryptococcal antigen; CSF, cerebrospinal fluid; SQ, semi-quantitative; WBC, white blood cell; QCC, quantitative cryptococcal culture; CFU, colony-forming units.