Previously used term:
Unilateral headache, with neck, pharyngeal and/or facial pain, caused by inflammation of the stylohyoid ligament and usually provoked or exacerbated by head turning.
- Any head, neck, pharyngeal and/or facial pain fulfilling criterion C1
- Radiological evidence of calcified or elongated stylohyoid ligament
- Evidence of causation demonstrated by at least two of the following:
- pain is provoked or exacerbated by digital palpation of the stylohyoid ligament
- pain is provoked or exacerbated by head turning
- pain is significantly improved by injection of local anaesthetic agent into the stylohyoid ligament, or by styloidectomy
- pain is ipsilateral to the inflamed stylohyoid ligament
- Not better accounted for by another ICHD-3 diagnosis.
11.8 Headache or facial pain attributed to inflammation of the stylohyoid ligament is generally perceived in the oropharynx, neck and/or face, but some patients experience more diffuse headache.