How is tuberculous meningitis diagnosed?

Updated: Jul 17, 2018
  • Author: Tarakad S Ramachandran, MBBS, MBA, MPH, FAAN, FACP, FAHA, FRCP, FRCPC, FRS, LRCP, MRCP, MRCS; Chief Editor: Niranjan N Singh, MBBS, MD, DM, FAHS, FAANEM  more...
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Diagnosis of tuberculous meningitis

In a healthy host, tuberculous meningitis usually takes the form of an acute-to-subacute illness characterized by fever, headache, drowsiness, meningism, and confusion over a period of approximately 2-3 weeks. Less frequent presentations of CNS tuberculosis include atypical febrile seizures in children, isolated cranial nerve palsies, bilateral papilledema, and acute confusional states. Tuberculous meningitis is difficult to diagnose, and a high index of suspicion is needed for making an early diagnosis.

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