The acidophil erythroblast and erythrocyte had more hemoglobin in the euchromatin areas of nuclei, less nuclear pores, and wider perinuclear space than polychromatophil erythroblast.
Some patients have p-ANCA's in their blood, or perinuclear antineutrophilic cytoplasmic antibodies which are kind of antibodies that target antigens in the body's own neutrophils.