in a series of 57 endarterectomies in 50 patients , 24 patients experienced postoperative headaches encompassing the entire spectrum of vascular headaches : nonspecific diffuse headaches , severe hemicranias , cluster headaches occurring early and delayed , chronic paroxysmal hemicranias , carotidynia , and eagle 's syndrome .
C0018681
headaches
C0009088
cluster headaches