Falsely classified benign cases, from left to right: beaded degenerated histocytes misidentified as female reproductive system (×200); reactive hyperplasia-aggregated mesothelial cells case misidentified as respiratory system (×200); scattered lymphocytes misidentified as digestive system (×200); and acute infection inundated with neutrophile granulocytes, lymphocytes and bacteria misidentified as respiratory system (×400).
