Table 1

Major risk factors and conditions associated with cerebral venous thrombosis

InfectionParanasal sinusitis
Intracranial infections: abscess, meningitis
TraumaHead trauma, neurosurgical operations
Internal jugular catheter
Medical/surgical conditionsDehydration
Pregnancy and puerperium
Coagulation disorders: factor V Leiden, protein C deficiency, protein S deficiency, antithrombin III deficiency, hyperhomocysteinemia, antiphospholipid syndrome
Hematologic disorders: polycythemia, sickle cell disease, thrombotic thrombocytopenic purpura, polycythemia, paroxysmal nocturnal hemoglobinuria
Malignancies, inflammatory bowel disease, nephrotic syndrome, liver cirrhosis, collagen vascular disease including systemic lupus erythematosus, Wegener’s granulomatosis and Behçet syndrome
Previous surgical procedures
MedicationOral contraceptives, hormone replacement therapy, L-asparagenase, corticosteroid
  • Modified from Lee SK et al.22