Table 1.

Summary table for Eagle syndrome.

Etiology	Uncertain. Possible causes include congenital abnormality, prior tonsillectomy, trauma, or hypercalcemia.
Incidence	Although an elongated styloid process can be found in approximately 4% of the population, only 4–10% are symptomatic.
Gender ratio	Symptoms are more commonly seen in women, although there does not appear to be a gender predilection for elongation of the styloid process.
Age predilection	Can be seen at any age. Symptoms are more common after age 40.
Risk factors	Prior tonsillectomy, trauma, hypercalcemia.
Treatment	Nonsurgical: local steroid injection, NSAIDS, observation Surgical: transoral or transcervical styloidectomy
Prognosis	Overall success rate of treatment is high (80%).
Imaging findings	Elongation of the styloid process and/or ossification of the stylohyoid ligament.