Which among the following is associated with thrombocytopenia?

Bernard soulier syndrome is a congenital bleeding disorder characterised by thrombocytopenia with giant platelets and prolonged bleeding time. The cause for platelet dysfunction in Bernard soulier syndrome is the severe deficiency or absence of the VWF receptor (GPIb complex) on the platelet membrane. Ref: O P Ghai, 5th Edition, Page 111; Nelson, 17th Edition, Page 1936.a