Hereditary Antithrombin Deficiency Presenting with Cerebral Venous Thrombosis in Three Members of a Family.

Hereditary antithrombin (AT) deficiency is a rare thrombophilia associated with cerebral vein thrombosis (CVT). We report a case study of hereditary AT deficiency causing CVT in three members of a family. A 29-year-old female presented with features of CVT.