Lardsceous spleen is due to deposition of amyloid in -
Sinusoids of red pulp
White pulp
Splenic trabeculae
Penicillary aery
Robbins basic pathology : ninth edition, page no: 157 Amyloidosis of spleen often causes moderate or increase d enlargement. Amyloidosis may principally involve the splenic sinuses, eventually extending to the splenic pulp, with formation of large sheet like deposits (lardaceous spleen)
General pathology