title: MR-Cisternography with T2-Weighted Single-Shot Fast Spin Echo Sequence in the Diagnosis of a Spontaneous CSF Fistula of the Sphenoid Sinus Causing Massive Pneumocephalus.
abstract: A spontaneous CSF fistula of the sphenoid sinus was preoperatively diagnosed in a young woman presenting with massive pneumocephalus and rhinorrhea. Diagnosis was established by MR cisternography using a heavily T2-weighted 3D single-shot FSE sequence with half-Fourier analysis (3D-EXPRESS(®)), originally developed for imaging the inner ear. While unenhanced CT failed to detect the site of the fistula, MR permitted complete evaluation of the sellar/sphenoid region and tracked the CSF signal down to the nasal cavity.
authors.affiliation: Radiology and Neuroradiology Service, "S. Anna e S. Sebastiano Hospital"; Caserta, Italy - enrico.tedeschi@libero.it.
authors.forename: E
authors.initials: E
authors.lastname: Tedeschi
authors.forename: C
authors.initials: C
authors.lastname: Iaccarino
authors.forename: E M
authors.initials: EM
authors.lastname: Covelli
authors.forename: A
authors.initials: A
authors.lastname: Rapanà
authors.forename: M L
authors.initials: ML
authors.lastname: Barretta
authors.forename: V
authors.initials: V
authors.lastname: Piscitelli
authors.forename: G
authors.initials: G
authors.lastname: Belfiore