Why is a lumbar puncture used in dementia?

Dr Catherine Mummery

Sometimes doctors take samples of spinal fluid using a lumbar puncture, to help make a diagnosis of a form of dementia like Alzheimer’s disease. Here, Dr Cath Mummery aims to answer your questions about lumbar punctures, what the procedure involves and why it is used. What is cerebrospinal fluid? Cerebrospinal fluid (CSF) is a clear, […]

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