[Congenital type I antithrombin III deficiency with serious complications in a 7-year-old girl].

This case report concerns a child admitted to the County Hospital of Zalaegerszeg with the symptoms of ataxia, focal convulsions and hemiparesis. Anticonvulsive therapy abolished the epileptic manifestations, but hemiparesis remained unchanged. At the age of six and half years progressive venous thrombosis developed first on the left and some days later on the right lower limb.

Serious complications of congenital antithrombin III (AT III) deficiency in a 7-year-old girl.

A 7-year-old gypsy girl developed venous and arterial thromboembolism. In this case AT III deficiency of hereditary nature was demonstrated as the cause of thromboembolism.