“…These include a number of extensive and thoughtful reviews, some of which refer to the non-English literature, and in which up to 115 cases have been accumulated (Fleming and Petrie 1968, Garg et al 1968, Gleave 1966, Hornet et al 1970, Jernigan and Gardner 1971. Initial right common carotid arteriogram, a Lateral: Note lack of perfusion in middle cerebral artery distribution and thrombus in the extracranial portion of the right internal carotid artery, b AP: Note embolus in proximal portion of right middle cerebral artery and extrinsic pressure deformity along lateral aspect of extracranial internal carotid artery secondary to haematoma 1969, Mastaglia et al 1971, New and Momose 1969, Schneider et al 1971, Sullivan et al 1973, Towne et al 1972, Verbiest and Calliauw 1959, Yamada et al 1967, Zilka 1970. A typical clinical picture of symptoms and signs has been described, and certain variations have been noted.…”