Magnetic Resonance Imaging (MRI) Cisternography is a specialized imaging technique used to visualize and assess the cerebrospinal fluid (CSF) spaces, known as cisterns, in the brain and spine. This technique is instrumental in diagnosing various conditions related to the flow and composition of the cerebrospinal fluid.Cisterns are fluid-filled spaces that surround and cushion the brain and spinal cord. The CSF acts as a buffer, protecting these delicate structures. MRI Cisternography employs magnetic fields and radio waves to create detailed images of these spaces. Unlike traditional cisternography, which uses a radioactive dye, MRI Cisternography is non-invasive and does not involve radiation.
The procedure helps in identifying abnormalities like CSF leaks, tumors, cysts, or other obstructions that can affect the CSF flow.
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On arrival at the imaging center, you will be asked to change into a gown and remove metal objects. You will lie on a movable table, which slides into the MRI machine. A coil may be placed around your head to improve image quality. The machine can be noisy; earplugs or headphones are typically provided. The entire procedure usually takes about 30 to 60 minutes.
MRI Cisternography provides detailed images of the cisterns and the CSF, which is essential for diagnosing conditions such as CSF leaks, tumors, and inflammation. By identifying these issues early, appropriate treatment can be initiated promptly.
MRI Cisternography is indicated for patients experiencing symptoms like headaches, hearing loss, or unexplained fluid discharge from the nose or ear which may suggest a CSF leak. It is also used to evaluate patients with suspected tumors or cysts affecting the cisterns.
Usually, no fasting is required for MRI Cisternography. You should follow the instructions given by the doctor regarding any specific preparations.
This test measures the structures and composition of the cisterns and surrounding areas. It can help detect abnormalities such as leaks, blockages, or masses.
The frequency of this test is based on the medical condition and the doctor’s recommendation.
It is essential to stay still during the MRI for obtaining clear images. Ensure that you have communicated any potential health issues to the doctor.
Factors like movement during the test, metal implants, and certain health conditions can affect the quality of images.
In case of abnormal findings, consult a neurologist or the doctor who referred you for the test to discuss the next steps in diagnosis and treatment.
MRI Cisternography is considered safe. However, as it involves strong magnets, it is crucial to disclose any metal implants or devices. If contrast material is used, there is a small risk of allergic reaction or kidney complications.