Presentation
Right-sided tinnitus.
Patient Data
Age: 25 years
Gender: Female
From the case:
Jugular bulb dehiscence
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Axial petrous bone CT scan with a focused series showed loss of the bony plate between the right jugular bulb and the middle ear cavity.
From the case:
Jugular bulb dehiscence
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Right jugular bulb dehiscence (orange arrow).
Case Discussion
Dehiscent jugular bulbs are present when the sigmoid plate between a high riding jugular bulb and the middle ear is absent, allowing the wall of the jugular bulb to bulge into the middle ear cavity.
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