• We describe seven patients with vascular headaches. Five of them had cluster headaches, which were preceded by migrainous scotomata (two patients), weakness contralateral to the pain (one), accompanied by ipsilateral photopsias (one), or by contralateral paresthesias (one). The other two patients had "clusters" of daily common migraine headaches separated by long free intervals. The symptoms of these patients suggest a common root for cluster and migraine headaches.
Medina JL, Diamond S. The Clinical Link Between Migraine and Cluster Headaches. Arch Neurol. 1977;34(8):470–472. doi:10.1001/archneur.1977.00500200030005
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