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RT Journal Article
SR Electronic
T1 Spontaneous CSF Otorrhea Caused by Abnormal Development of the Facial Nerve Canal
JF American Journal of Neuroradiology
JO Am. J. Neuroradiol.
FD American Society of Neuroradiology
SP 275
OP 277
VO 20
IS 2
A1 Petrus, Leonard V.
A1 Lo, W. W. M.
YR 1999
UL http://www.ajnr.org/content/20/2/275.abstract
AB Summary: In two patients with surgically proved CSF fistula through the facial nerve canal, MR and CT examinations showed smooth enlargement of the geniculate fossa with CSF signal. In the clinical setting of CSF otorrhea or rhinorrhea, the presence of an enlarged labyrinthine facial nerve canal and enlarged geniculate fossa on CT scans and CSF intensity on MR images strongly suggests a CSF fistula through the facial nerve canal.