Epidural hematoma (CT) (1)

Painful conditions of the face and head

Orofacial and cephalic pain can arise from a variety of conditions that affect the nerves that supply the head, their roots, and other pain-sensitive structures. Trigeminal neuralgia, the prototypical cephalic neuralgia, is characterized by bursts of excruciating facial pain in the distribution of one or more branches of the trigeminal nerve. Cranial neuralgias may be secondary to central nervous system or peripheral pathology, including carotid artery dissection, arterial venous malformations, and aneurysmal dilatation with subsequent compression.

Migraine with brainstem aura

Headache associated with acute substance use or exposure

Substance headache is a headache that develops de novo with the use or exposure of a substance. The clinical manifestations of substance-induced headache