PURPOSE: To present the clinical features of a case of migraine precipitated by head trauma. METHODS: Detailed history was obtained and ophthalmic and neurologic examinations were performed. RESULTS: This patient's history of transient loss of vision followed by severe headache precipitated by a direct blow to the top of the head is characteristic of this phenomenon. Normal neurologic and ophthalmic examination findings, normal magnetic resonance imaging, and a history of similar episodes are all consistent with this diagnosis. CONCLUSION: Familiarity with this entity can obviate an expensive examination for patients with these classic symptoms.
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