A case of a simultaneously bilateral putaminal haemorrhage is reported
, The patient suffered from severe chronic arterial hypertension and h
ad an asymptomatic carotid artery dissection, Because of a positive fa
mily history of Marfan's syndrome, while lacking phenotypical stigmata
, an underlying ''forme fruste'' of Marfan's syndrome may have contrib
uted to this rare manifestation of haemorrhage.