CASE
HISTORY / CLINIC:
Patient with increasing sensorineural deafness
in both ears, occasional dizziness coupled with unsteady gait and slight rotatory
vertigo. Normal findings of ear
microscopy.
FINDINGS:
The endolymphatic sac that is normally demonstrated as a thin line appears enlarged
on both sides in the T2 image.
The
CT image also depicts this well.
Besides the semicircular
canals the cochlea and
the dilated
endolymphatic sac can be well visualized in the 3D MRT reconstruction image.
The internal
auditory canal and the cerebellopontine angle are also demonstrated.
DIAGNOSIS:
Vestibular Aqueduct syndrome
DIFFERENTIAL DIAGNOSIS:
Other congenital malformation
Web resources:
1) Gesundheit.de
2) Salerno
3) Amersham Health