A Retrospective Analysis of Spontaneous Sphenoid Sinus Fistula: MR and CT Findings

AbstractBACKGROUND AND PURPOSE: The sphenoid sinus is rarely implicated as a site of spontaneous CSF fistula. We undertook this study to evaluate the potential etiopathogenesis of spontaneous CSF fistula involving the sphenoid sinus and to review the imaging findings. METHODS: We retrospectively reviewed the imaging findings of 145 cases of CSF fistula from our departmental archives (August 1995 t

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髄液鼻漏の画像的特徴。