What does "Diagnostic lumbar puncture" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.
A diagnostic lumbar puncture is a medical procedure often referred to as a "spinal tap". It involves the insertion of a small needle into the lower part of the spine to collect a sample of the fluid that surrounds the brain and spinal cord. This fluid is then tested in a lab to help doctors diagnose certain diseases and conditions, such as meningitis or multiple sclerosis. The procedure is usually done under local anesthesia to minimize discomfort.
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