Inactivated pronase as the cause of false-positive results of serum cryptococcal antigen tests.
case_report · Level V
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Abstract
Four patients who had acquired immunodeficiency syndrome and who were evaluated for headache within a 3-week period had false-positive results of serum cryptococcal antigen tests. This cluster of false-positive test results appeared to be due to inactivation of the pronase vial in the test kit, a cause that has not been reported previously.
Medical subject headings
- AIDS-Related Opportunistic Infections
- Antigens, Fungal
- Cryptococcus
- Meningitis, Cryptococcal
- Pronase