Cluster headache diagnostic delay and its predictors: a systematic review with a meta-analysis

The Journal of Headache and Pain 2025 Apr 9;26(1):71. doi: 10.1186/s10194-025-02001-7. E K Van Obberghen, R Fabre, M Lanteri-Minet Abstract Background: Despite its characteristic clinical expression, cluster headache (CH) often remains unrecognized in clinical practice, with patients suffering from CH having to wait