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Evaluation of various diagnostic methods for CNS-TB diagnosis.
| Patient category | Number of patients | Positive by | |||
|---|---|---|---|---|---|
| AFB | Culture | HPE | PCR | ||
| category I (TBM) | 27 | none | none | 3 | 21 |
| category II (Intracranial tuberculomas) | 20 | none | none | 2 | 6 |
| category III (Control) | 10 | none | none | none | none |
AFB = Acid Fast Bacilli; HPE = Histo-pathological examination; PCR = Polymerase chain reaction; TBM = Tuberculous Meningitis.
