<prompt> Following will cause CNS-vasculitis except -SLEWhipples diseaseGranulomatous vasculitisNone of the above  <response>: CNS Vasculitis is vasculitis involving the vessels of the brain and occasionally the spinal cord.Causes of CNS vasculitis A. Primary angiitis of CNS PACNSIf there is no underlying cause.Also known as granulomatous angiitis of the nervous system.B. SecondaryWhen CNS vasculitis is due to some underlying disease, eg:-Behcets diseasePANWegeners granulomatosisConnective tissue disorders - SLE, RACancer - lymphoma, leukaemia, lung cancerDrugs - Amphetamine, cocaine, HeroinOthers - Fibromuscular dysplasia and thrombotic thrombocytopenic purpura 