in 32 of the cases , placentitis caused by serotype a or b of influenza virus was present , characterized by hyperplasia and subsequent destruction of amniotic cells , trophoblast , decidual cells , and vascular endothelium , by the presence of influenza antigens , fuchsinophilic cytoplasmic inclusions in the affected cells , and lymphoid infiltrates , and/or by circulatory disturbances .
C0205708
cytoplasmic inclusions
C0007634
cells