Assertion: sinus thrombosis | /r/HasProperty | rare
Facets:
value: very
type: DEGREE
Source sentences:
text: Cerebral venous sinus thrombosis is rare, with an estimated 3-4 cases per million annual incidence in adults.
text: Cerebral venous sinus thrombosis (CVST) is a rare form of stroke which results from the blockage of the dural venous sinuses by a thrombus.
text: Cavernous sinus thrombosis is a very rare but serious condition that involves a blood clot in your cavernous sinuses.
text: Dural venous sinus thrombosis (DVT) is rare.