Données démographiques:
10 ans, Féminin
Indication:
Right-sided sensorineural hearing loss
Constatations
- LEFT
- External and middle ear are normal in appearance
- The interscalar septum appears present between the middle and apical turns, but may be mildly deficient
- Mildly enlarged vestibular aqueduct, measuring approximately 1.2 mm in width at its midportion
- Bony uncovering of the superior semicircular canal at its apex
- RIGHT
- External and middle ear are normal in appearance
- Incomplete partitioning of the middle and apical turns of the cochlea
- Mildly dysmorphic, globular appearance of the vestibule
- Enlarged vestibular aqueduct, measuring approximately 2 mm in width at its midportion
- Bony uncovering of the superior semicircular canal at its apex
Diagnostic
Right cochlear incomplete partition type II (IP-II)
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Diagnostic différentiel
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Discussion