“…3,17,18 We recently described a series of patients with stabbing headache secondary to intracranial lesions, such as tumors and aneurysms. 9 Interestingly, these lesions touched the dura mater, suggesting the cause was an irritation of the neural structures innervating the dura mater. 9 In secondary cases of stabbing headache, some patients reported characteristics that seem to be linked to the association of this type of headache with intracranial lesions.…”