Lack of spleen signal on diffusion weighted MRI is associated with high tumor burden and poor prognosis in multiple myeloma - Rasche, Leo; Kumar, Manoj; Gershner, Grant; Heidemeier, Anke; Lapa, Constantin Frederik Victor; Bley, Thorsten; Buck, Andreas K.; Hillengaß, Jens; Schinke, Carolina; Weinhold, Niels (Theranostics, 2019)