Intravascular destruction
Platelets can be destroyed either intravascularly, via complement-mediated cytolysis, or extravascularly, which is the destruction that occurs in the spleen or liver by Fc-receptor-bearing reticuloendothelial (RE) cells.15
References
15. Matei DE, Schiller G. Immune-Mediated Thrombocytopenias. Proceedings of UCLA Healthcare. 2002;6:33-39.