Advanced

AJNR - American Journal of Neuroradiology

This Article Abstract Full Text Full Text (PDF) Alert me when this article is cited Alert me if a correction is posted Services Similar articles in this journal Similar articles in PubMed Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via HighWire Citing Articles via CrossRef Citing Articles via Google Scholar Google Scholar Articles by Jégoux, F. Articles by Beauvillain de Montreuil, C. Search for Related Content PubMed PubMed Citation Articles by Jégoux, F. Articles by Beauvillain de Montreuil, C.

Hyrtl’s Fissure: A Case of Spontaneous Cerebrospinal Fluid Otorrhea

F. Jégoux^a, O. Malard^a, M. Gayet-Delacroix^b, P. Bordure^a, F. Legent^a and C. Beauvillain de Montreuil^a

^a Service d’ORL et chirurgie cervico-faciale, CHU Hotel-Dieu, Nantes, France
^b Service de Radiologie, CHU Hotel-Dieu, Nantes, France

View larger version (122K): [in a new window]   FIG 1. CT scan in the axial plane. The cleft extends between the bony labyrinth and the jugular bulb.

View larger version (152K): [in a new window]   FIG 2. CT scan in the coronal plane. The cleft extends from the hypotympanum, inferior to a normal bony labyrinth, and toward the posterior fossa close to the endolymphatic sac.

View larger version (143K): [in a new window]   FIG 3. MR image in the axial plane obtained with a T2-weighted sequence (TE, 128 TR, 4416; NEX, 1; section thickness, 3 mm). Hyperintensity of the CSF can be seen in the medial cavity communicating with cerebellopontine angle.

View larger version (142K): [in a new window]   FIG 4. MR image in the coronal plane obtained with a T2-weighted sequence (TE, 128; TR, 4416; NEX, 1; section thickness, 3 mm). The cleft is seen under the cochlea and below the internal auditory meatus level.