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The Enzyme-Linked Immunosorbent Assay Method for IgG Antibody to Purified Protein Derivative in Cerebrospinal Fluid of Patients with Tuberculous Meningitis

STEVE B. KALISH, M.D.; ROBERT C. RADIN, M.D.; DORIS LEVITZ, B.S.; C. RAYMOND ZEISS, M.D.; and JOHN P. PHAIR, M.D.
[+] Article and Author Information

Grant support: in part by the Samuel J. Sackett Endowment for Infectious Diseases and Hypersensitivity, and the Veterans Administration.

▸Requests for reprints should be addressed to Steve B. Kalish, M.D.; Section of Infectious Disease, Northwestern University Medical School, 303 E. Chicago Avenue; Chicago, IL 60611.


Chicago, Illinois


Ann Intern Med. 1983;99(5):630-633. doi:10.7326/0003-4819-99-5-630
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Three patients with culture-proven Mycobacterium tuberculosis meningitis were studied. Analysis of cerebrospinal fluid with an enzyme-linked immunosorbent assay (ELISA) method measuring IgG antibody to purified protein derivative rapidly yielded positive results, whereas results of acid-fast smears were negative and cultures took several weeks before growth appeared. We did serial studies of cerebrospinal fluid and sera from one patient. Initially, greater amounts of IgG antibody to purified protein derivative were present in the cerebrospinal fluid than in the serum. The antibody level in the cerebrospinal fluid paralleled the patient's clinical course, cerebrospinal fluid cell count, protein level, and glucose level. Cerebrospinal fluid samples from 33 hospitalized control patients were negative for antibody to purified protein derivative. The ELISA method measuring IgG antibody to purified protein derivative should be evaluated as a means of early diagnosis and management of patients with suspected tuberculous meningitis.

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