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Eagle Syndrome

*Definition

Eagle syndrome is a rare condition caused by:
Elongation of the styloid process
and/or

Calcification of the stylohyoid ligament
Normal styloid process length: 2–2.5 cm
Pathologic: usually > 3 cm

*Types (High-Yield)

1. Classic Eagle Syndrome
Often follows tonsillectomy
Due to irritation of cranial nerves (V, VII, IX, X)
Symptoms:
Throat pain
Foreign body sensation in the throat
Odynophagia
Referred otalgia
Pain worsens with swallowing or yawning

2. Stylo-carotid Syndrome
Elongated styloid compresses internal or external carotid artery

*Symptoms:

Neck or facial pain
Headache
Dizziness, syncope
Visual disturbances
TIA-like symptoms (rare but important)
Clinical Examination
Pain reproduced by palpation of the tonsillar fossa
Symptoms exacerbated by head rotation or extension

*Diagnosis

✅ CT neck with 3D reconstruction (Gold standard)
Measures styloid length
Demonstrates ligament calcification
Shows relationship to carotid vessels
❌ Plain X-ray is less reliable

*Differential Diagnosis

Glossopharyngeal neuralgia
Trigeminal neuralgia
Temporomandibular joint disorders
Cervical spine disease
Chronic tonsillitis
Temporal arteritis

*Management

Conservative

NSAIDs

Neuropathic pain medications (gabapentin, carbamazepine)

Local steroid or lidocaine injection

Surgical (Definitive)

Styloidectomy

Transoral or external approach

*High success rate in properly selected patients
Exam Pearls

Chronic throat pain + otalgia + normal brain imaging → think Eagle syndrome

Post-tonsillectomy throat pain → classic type

Neurologic or vascular symptoms → stylo-carotid type

CT 3D reconstruction is diagnostic