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CSF rhinorrhea: detection and localization using overpressure cisternography with Tc-99m-DTPA 总被引:1,自引:0,他引:1
We performed 32 overpressure radionuclide cisternography (ORNC) studies to examine 26 patients who were clinically suspected of having cerebrospinal fluid (CSF) fistula with rhinorrhea. Fifteen (47%) of these cisternography studies were positive, and the site of the leak was identified. No leak could be demonstrated in the other 17. Of 23 examinations performed in patients who had clinically documented CSF rhinorrhea, 15 (65%) were scintigraphically positive. The rapid cephalad transit of the radionuclide bolus allowed completion of the study within 30 to 45 minutes. Seven examinations were also performed with overpressure metrizamide CT cisternography (OMCTC), and five demonstrated concordant results with the radionuclide study. Patient discomfort and side effects were minimal. We conclude that radionuclide infusion cisternography is a safe, rapid, and accurate method of investigating a suspected or proven CSF rhinorrhea and that it is complementary to metrizamide cisternography. 相似文献
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Nefedova VV Inzhevatkin EV Nefedov VP 《Bulletin of experimental biology and medicine》2002,133(5):419-420
Studies by the method of splenic exocolonies with serotonin receptor blockers methysergide and cyproheptadine showed that S2 receptors are involved in the stimulatory effect of serotonin on hemopoietic bone marrow stem cells. 相似文献
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