Autopsy of the body of a 35-year-old drug addicted man with a long history of librocavitary pulmonary tuberculosis shows enlarged and dense spleen and kidneys On section their tissues are grayish and have a fatty shen. Microscopically, in the red and white splenic pulp and in the renal glomerular interstitium and mesangium there are deposits of Congo red. positive masses Diagnose the type of damage to the internal organs