Demonstration of Sarcocystis-like Parasites Found in Peripheral Blood

This report described Sarcocystis-like merozoites in peripheral blood smear of a woman with mild fever, rigor and musculoskeletal pain. Extracellular organisms with a pale blue cytoplasm and one or two nuclei were seen in her blood smear stained with Giemsa. Sarcocystis-like can be considered as a possible cause of some idiopathic febrile diseases.