The Lumbar Puncture

Abstract
A spate of letters on the subject of lumbar puncture (LP)1 2 3 to the Journal during the last year attest that despite 80 years of experience, controversy still surrounds such basics as indications, technic and avoidance of post-LP headache.Indications for the LP are somewhat on the decline as technical neurodiagnostic methods improve. In the diagnosis of suspected intracranial mass lesions minimal-risk studies such as electroencephalography and radioisotopic brain scan, or definitive procedures such as angiography, pneumoencephalography, or computerized axial tomography, have reduced the utility of the LP except to detect a non-neoplastic process. With intracranial mass lesions, it is rare . . .

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