Lumbar Puncture (cont.)
Medical Author:
Kenneth Kaye, MD
Kenneth Kaye, MDDr. Kaye received a Bachelor of Arts degree with honors from the University of California, San Diego in Applied Mechanics and Engineering Sciences. After graduating from New York Medical College, he completed his internship and residency training in pathology at Harbor - UCLA Medical Center. Medical Editor:
William C. Shiel Jr., MD, FACP, FACR
William C. Shiel Jr., MD, FACP, FACRDr. Shiel received a Bachelor of Science degree with honors from the University of Notre Dame. There he was involved in research in radiation biology and received the Huisking Scholarship. After graduating from St. Louis University School of Medicine, he completed his Internal Medicine residency and Rheumatology fellowship at the University of California, Irvine. He is board-certified in Internal Medicine and Rheumatology. In this Article
 Normal values for spinal fluid examination are as follows:
These normal values can be altered by injury or disease of the brain, spinal cord or adjacent tissues. The values are routinely evaluated during examination of the spinal fluid obtained from the lumbar puncture. Additionally, spinal fluid is tested for infection in the microbiology laboratory. What diseases are diagnosed by examination of the CSF? Spinal fluid obtained from the lumbar puncture can be used to diagnose many important diseases such as bleeding around the brain; increased pressure from hydrocephalus; inflammation of the brain, spinal cord, or adjacent tissues (encephalitis, meningitis); tumors of brain or spinal cord, etc. Sometimes spinal fluid can indicate diseases of the immune system, such as multiple sclerosis. What are the risks of an LP? When spinal fluid is removed during an LP, the risks include headache, brain herniation, bleeding, and infection. Each of these complications are uncommon with the exception of headache, which can appear from hours to up to a day after LP. Headaches occur less frequently when the patient remains lying flat 1-3 hours after the procedure. What are the benefits of an LP? The benefits of the LP depend upon the exact situation for which it is performed, but an LP can provide lifesaving information. Reference: Last Editorial Review: 9/21/2005 |
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