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  • Title: [A case of cavernous angioma presenting as migrainous attack].
    Author: Sakakibara Y, Taguchi Y, Uchida K.
    Journal: No Shinkei Geka; 2010 Mar; 38(3):287-91. PubMed ID: 20229775.
    Abstract:
    A 40-year-old man presented with progressive visual impairment accompanied by throbbing headache. First he had throbbing headache in the left temporal region. At the same time he noticed a blind spot in the upper right quadrant. This blind spot gradually became enlarged. Since the patient had throbbing headache accompanied by right homonymous hemianopsia, his illness was initially diagnosed as migraine. Sumatriptan was prescribed. However, thereafter his headache still continued. He described his seeing of some lights like neon signs. Magnetic resonance imaging revealed a typical feature of cavernous angioma (CA) at the left temporooccipital lobe and electroencephalogram showed frequent spike waves at the same region. Because of progressive deterioration of his condition despite the treatment with antiepileptics, left temporal craniotomy was performed. The CA was removed with a small amount of surrounding gliotic tissue using an intraoperative cortical EEG recording. Postoperatively, his visual symptoms and headache disappeared. Although migraine is one of the most frequently encountered symptoms in daily practice, differentiation of migraine from seizure - associated headache is extremely difficult, because both conditions may manifest similar features of visual impairment with throbbing headache. When clinicians see a patient presenting with throbbing headache accompanied by visual symptoms, CAs or other space occupying lesions, should be kept in mind of a differential diagnosis of migrainous attacks.
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