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Indications of CSF examination

CSF examination is done in the following situations
  • Infections: meningitis, encephalitis
  • Inflammatory conditions : Sarcoidosis, neuro syphilis, SLE
  • Infiltrative conditions: Leukamia, lymphoma, carcinomatous - meningitis
  • Administration of drugs in CSF (Therapeutic  aim)
  • Antibiotics: To give antibiotics in case of meningitis
  • Antimitotics administation
  • Diagnostic aim: Myelography, Cisternography

Anaesthetics are also given through lumbar puncture
Contra-indications for Lumbar puncture
  • Local skin infection  over proposed puncture site is an absolute contraindication for LP
  • Raised intracranial pressure (ICP), exception to this situation is pseudotumor cerebri
  • If there is a suspicion of spinal cord mass or intracranial mass lesion (based on lateralizing neurological findings or papilledema)
  • Uncontrolled bleeding disorders
  • Spinal column deformities (may require fluoroscopic assistance)
  • Lack of patient cooperation.