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Positron emission tomography with /sup 68/Ga-EDTA in the diagnosis and localization of CSF fistulas

Journal Article · · J. Comput. Assist. Tomogr.; (United States)
Five patients with cerebrospinal fluid (CSF) rhinorrhea were investigated with computed tomography (CT) and positron emission tomography (PET) to localize the site of a CSF fistula. After intrathecal injection of 10 MBq of /sup 68/Ga-EDTA, radioactivity was demonstrated in the basal cisterns. In three cases, the site of the fistula was visualized with PET. It is not always possible to demonstrate a CSF leakage with CT cisternography (CTC) using metrizamide, particularly in cases with minute fistulas or intermittent CSF rhinorrhea. With further experience and improved PET techniques, it may be possible to detect even very small fistulas.
Research Organization:
Department of Neuroradiology, University of Stockholm, Sweden
OSTI ID:
7055731
Journal Information:
J. Comput. Assist. Tomogr.; (United States), Journal Name: J. Comput. Assist. Tomogr.; (United States) Vol. 6:2; ISSN JCATD
Country of Publication:
United States
Language:
English