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Cisternography
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<p>Cisternography is a medical imaging technique to examine the flow of <a href="/facts/Cerebrospinal_fluid/tcWG7hhv">cerebrospinal fluid</a> (CSF) in the <a href="/facts/Brain/Xo5ABfXl">brain</a>, and <a href="/facts/Spinal_cord/XbWLr917">spinal cord</a>. The gold standard for diagnosis of a cranial <a href="/facts/Cerebrospinal_fluid_leak/PfCRh85v">cerebrospinal fluid leak</a> is CT cisternography. For the diagnosis of a spinal CSF leak radionuclide cisternography also known as radioisotope cisternography is used. The false negative rate of cisternography is high (30%), so the radiographic study of choice is CT myelography. The third type of cisternography is MR cisternography. </p>