Fig. 1From: Chronic persistent Horner’s syndrome in trigeminal autonomic cephalalgia subtypes and alleviation with treatment: two case reportsa Patient with a trigeminal autonomic cephalalgia variant and a fixed left-sided ptosis (arrow). There was no evidence of blepharospasm or facial spasm noted on examination to mimic the ptosis. b Complete alleviation of a fixed left-sided ptosis after cervical facet radiofrequency ablation at C2–3 (arrow). Image taken 6 weeks after radiofrequency ablation procedureBack to article page