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Atypical presentations of cluster headache


Todd D. Rozen MD, Department of Neurology T33, Cleveland Clinic Foundation, 9500 Euclid Avenue, Cleveland, OH 44195, USA. Tel. 216-444-8265, fax 216-445-1696, e-mail Received 31 December 2001, accepted 12 May 2002


Recently, cluster headache has been shown to occur with aura, suggesting that as more cluster patients are seen by headache specialists new forms of this well-defined primary headache syndrome will be identified. This study presents three atypical presentations of cluster headache: persistent or unremitting cluster, periodic cluster, and reflex or event-related cluster. Case reports are presented with an explanation as to why these headaches should be considered cluster headache.