Recently Egas Moniz1 and Sorgo,2 after making cerebral arteriographic studies, suggested that thrombosis of the internal carotid artery at its origin is more frequent than is generally supposed. However, unilateral thrombosis of the common and internal carotid arteries without involvement of the subclavian artery and the associated inequality of radial pulses and blood pressures in the two arms is rare. We found reports of only 11 such cases in the literature. Sorgo2 encountered occlusion of the internal carotid artery in 8 patients and confirmed his diagnosis of this condition in 2 by postmortem examinations. He was able to find 20 more cases by a search of the literature. Thrombosis of the internal carotid artery has been found at autopsy,3 and Saphir3e stressed the importance of searching for obstruction to the internal carotid artery in the carotid canal and the cavernous sinus (sites which are commonly
GALDSTON M, GOVONS S, WORTIS SB, STEELE JM, TAYLOR HK. THROMBOSIS OF THE COMMON, INTERNAL AND EXTERNAL CAROTID ARTERIES: A REPORT OF TWO CASES WITH A REVIEW OF THE LITERATURE. Arch Intern Med (Chic). 1941;67(6):1162–1176. doi:10.1001/archinte.1941.00200060065008
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