|A.||Posterior reversible encephalopathy syndrome|
Cerebral venous thrombosis
Ans. B. Cerebral venous thrombosis
The symptoms described above along with the history of OCP use suggest cerebral venous thrombosis.
Cerebral venous thrombosis (CVT) is the thrombosis of venous channels in the brain. It is an uncommon cause of cerebral infarction.
Risk factors of CVT:
Oral contraceptive use
Pregnancy and puerperium
Inflammatory bowel disease
Intracranial infections (meningitis)
Headache: Most common
Focal neurological Deficits
Altered Mental status
Diagnosis: MR Venography: most useful technique.
The signs on CT are as follows:
Empty Delta Sign
Dense Triangle Sign
Acute treatment: IV Heparin or LMWH
Warfarin for at least 3 months. Target INR: 2.5 (2 to 3)
Pregnant women with a history of CVT: anticoagulation with LMWH throughout pregnancy and till 8 weeks postpartum.