Benign paroxysmal torticollis is a rare, usually benign, condition classified as an episodic syndrome. It is characterized by episodes of paroxysmal head tilt and associated symptoms, some of which are shared with migraine. It is likely to be the migraine equivalent with the earliest age of onset, starting in some cases in the neonatal period but resolving typically by the age of three or four. It may evolve into other episodic syndromes, migraine, or hemiplegic migraine, and an antecedent history or family history should be sought from migraineurs. Its prevalence and under-recognition has made it difficult to study. There are emerging associations with genes implicated in other paroxysmal syndromes, including hemiplegic migraine and episodic ataxia. Treatment currently centers on supportive care and environmental modification.
Keywords: CACNA1A; Childhood; Episodic syndrome; Genetic; Migraine; Neurodevelopmental delay; Paroxysmal; Torticollis; Tortipelvis.
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