All are predisposing causes of cerebral venous thrombosis except: (A) Hypotension, (B) Oral contraceptives, (C) Pregnancy, (D) Aplastic anaemia
Answer is D. *predisposing systemic causes for cerebral venous thrombosis: dehyration,pregnancy,Behcet's disease ,thrombophilia,hypotension,oral contraceptive use. *Local causes are:paranasal sinusitis,meningitis,subdural empyema,facial skin infection,otitis media,mastoiditis,skull fracture,penetrating head and eye wounds. Ref Harrison20th edition pg 2345