“…Lhermitte (1950) and Lumsden (1975) The striking proclivity to thromboses affecting veins downstream of recent plaques (Rossolimo 1904, Putnam 1937, Dow, Berglund 1942, Prineas 1975) possibly relates to vein wall damages due to reflux. Leaky brain veins (Broman 1964) may also form the point of exit for the observed derangements in the system of coagulation (Prineas 1975, Brunetti et al 1981, Prosiegel et al 1982.…”