Response to Comment on "Is conventional brain MRI useful for the diagnosis of cluste headache in patients who meet ICHD-3 criteria? Experience in three hospitals in Spain"

importance of our findings recently published in this Journal [1] and cluster headache (CH) patients meeting ICHD-3 criteria. In his letter, he CH but that after their neuroimaging detecting some abnormal findings spective studies, but we think that in our particular case this bias was not whose diagnoses changed after the findings of structural lesions in their not meet ICDH-3 criteria. One further argument supporting our data is that our results call for further prospective studies, which should ideally include all patients with CH symptoms not to miss those who had CH symptoms but received a different diagnosis. In the meantime, however, it is important to bear in mind that neuroimaging would not be of help in