Enterobius (Pinworm) ova in a liquid‐based gynecologic cytology specimen

Guar cells in urine cytology: Two case reports and literature review

“…Guar cells may be misinterpreted as parasitic ova. Enterobius vermicularis ova share some morphologic characteristics with guar cells, since they are usually elongated‐oval, double‐walled and measure 50‐60 μm along their larger axis 9 . In contrast to vegetable cells, however, Enterobius ova are laterally compressed and slightly flattened on one side.…”