In 1971, C. Miller Fisher, a Canadian neurologist and stroke physician working at Massachusetts General Hospital, first noted the "string sign" abnormality in carotid arteries on cerebral angiograms of stroke patients, and subsequently discovered that the same abnormality could occur in the vertebral arteries.
Coronary artery bypass surgery | Vertebral column | Carotid artery | vertebral column | Femoral artery | External iliac artery | Coronary artery disease | Artery | pulmonary artery | Posterior communicating artery | Pancreaticoduodenal artery | Glandular branches of the superior thyroid artery | Glandular branches of the inferior thyroid artery | femoral artery | End artery | Dorsal scapular artery | coronary artery disease | Circumflex fibular artery | Circumflex branch of left coronary artery | Ascending branch of medial circumflex femoral artery | Ascending branch of lateral circumflex femoral artery | aortic dissection | Anterior communicating artery |