six patients exhibited a distinctive interstitial reactive change characterized by the presence of ( 1 ) moderate to large numbers of anitschkow cells , occurring alone or in small cellular aggregates and histiocytes , histiocytic cells with nuclei of the anitschkow type , lymphoid cells , and plasma cells , and ( 2 ) nuclei of the anitschkow type in cardiac vascular and endocardial smooth muscle , endothelial and schwann cells , and occasional cardiac muscle cells .
C0007634
cellular
C0007610
nuclei