Occipital neuroma triggered cluster headache responding to greater occipital nerve blockade

Cluster headache (CH) is characterised by attacks of severe unilateral pain in the orbital, supraorbital and/or temporal areas that last from 15 to 180 min, with recurrence up to 8 times daily and accompanied by ipsilateral autonomic symptoms1. Although effective acute treatments are available for CH attacks (e.g. subcutaneous sumatriptan injections), most patients also require preventive therapy2 […] Occipital neuroma triggered cluster headache responding to greater occipital nerve blockade