Meningeal biopsy

Meningeal biopsy is a medical procedure that involves the removal of a small piece of meningeal tissue for examination under a microscope. The meninges are the protective membranes that cover the brain and spinal cord. This procedure is often performed to diagnose certain conditions affecting the meninges, such as infections, inflammations, or tumors.

Procedure

The procedure is usually performed under local anesthesia. A small incision is made in the skin and a needle is inserted through the skull into the meninges. The needle is then used to remove a small piece of tissue, which is sent to a laboratory for analysis.

Indications

Meningeal biopsy is typically performed when other diagnostic tests, such as imaging studies or lumbar puncture, are inconclusive. It may be used to diagnose conditions such as meningitis, meningeal carcinomatosis, and meningeal tuberculosis.

Risks

As with any invasive procedure, there are risks associated with meningeal biopsy. These may include infection, bleeding, and damage to the brain or spinal cord. However, these risks are generally low.

See also

• Biopsy
• Meninges
• Meningitis
• Meningeal carcinomatosis
• Meningeal tuberculosis

References

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