Search results
Results from the WOW.Com Content Network
Lumbar puncture (LP), also known as a spinal tap, is a medical procedure in which a needle is inserted into the spinal canal, most commonly to collect cerebrospinal fluid (CSF) for diagnostic testing. The main reason for a lumbar puncture is to help diagnose diseases of the central nervous system, including the brain and
Aseptic meningitis is the inflammation of the meninges, a membrane covering the brain and spinal cord, in patients whose cerebral spinal fluid test result is negative with routine bacterial cultures. Aseptic meningitis is caused by viruses , mycobacteria , spirochetes , fungi , medications , and cancer malignancies. [ 1 ]
There are no specific signs or symptoms that can indicate meningitis, and a lumbar puncture (spinal tap) to examine the cerebrospinal fluid is recommended for diagnosis. [47] Lumbar puncture is contraindicated if there is a mass in the brain (tumor or abscess) or the intracranial pressure (ICP) is elevated, as it may lead to brain herniation.
Chronic meningitis is a long-lasting inflammation of the membranes lining the brain and spinal cord (known as the meninges). By definition, the duration of signs, symptoms and inflammation in chronic meningitis last longer than 4 weeks. [ 2 ]
This can be due to both infectious or non-infectious reasons. DIAM is a noninfectious meningitis that is associated with the use of certain medications listed above. The pathogenesis of DIAM is poorly understood and may be related to autoimmune hypersensitivity reactions, although it may vary depending on the inciting medication.
Meningococcal meningitis is a form of bacterial meningitis. Meningitis is a disease caused by inflammation and irritation of the meninges , the membranes surrounding the brain and spinal cord. In meningococcal meningitis this is caused by the bacteria invading the cerebrospinal fluid and circulating through the central nervous system .
The fungus behind a spate of deadly meningitis cases last year linked to medical clinics in ... fungus in the lab from spinal fluid; the sample that was successfully cultured came from the brain ...
When looking at the most common causes of meningitis, 8.3% are due to herpes simplex virus. [8] HSV-2 specifically is the most common cause of meningitis in adults. [6] Herpesviral meningitis primarily affects people aged 35–40, the elderly, and women. [9] Between 20% and 50% of cases have clinical recurrences. [3]