Dehiscent jugular bulb

Case contributed by Neguib Rosado Buenfil


History of sinusitis.

Patient Data

Age: 40 years
Gender: Male

High right jugular bulb with extension into the middle ear cavity through a dehiscent sigmoid plate.

Case Discussion

Most jugular bulbs lie below the hypotympanum. A dehiscent jugular bulb is a high riding jugular bulb in contact with the middle-ear cavity through a dehiscent sigmoid plate.

In most cases it is asymptomatic, however, in some cases, patients may suffer tinnitus and other hearing/vestibular disorders.

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