This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pathology, Subject name: Pathology
Lardsceous spleen is due to deposition of amyloid in - 
Select and explain. 
A. Sinusoids of red pulp, B. White pulp, C. Splenic trabeculae, D. Penicillary aery
A: Sinusoids of red pulp
Answer: A: Sinusoids of red pulp 
Explanation: 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)