Fact-sheet: Eagle syndrome - Stylohyoid Syndrome


Updated on 10/05/2016 at 1:45 PM

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Definition

Elongation of the styloid processes due to ossification of the stylohyoid ligaments.
Risk factors:
- Cervical trauma
- Surgery (tonsillectomy, dental surgery...)

Clinical features

Poorly localized neck pain, otalgia, pharyngeal discomfort, foreign body sensation, external carotid artery syndrome: pain along the course of the external carotid artery.

Radiography

Linear, partial or complete ossification of the stylohyoid ligaments

CT

Linear, partial or complete ossification of the stylohyoid ligaments.
Search for differential diagnosis

Management

Medical treatment: image-guided infiltration of lidocaine or corticosteroids.
Surgical treatment: removal of the ossification and styloid process via a transoral or external cervical approach