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Atlas Interpretation:
Interpreted image
Type of Preparation:


NILM: Trichomonas vaginalis

Cytomorphologic Criteria:
Trichomonas is a pear-shaped, oval to round, cyanophilic organism that ranges in size from 15-30 microns. The nucleus is pale, vesicular and centrally located. Eosinophilic granules are often visible in the cytoplasm.

Explanatory Notes:
Seen in this image are numerous trichomonads adhering to a squamous cell. Identification of one or more of the following- the organisms nucleus, cytoplasmic eosinophilic granules, or flagella (less often seen in conventional smears) is necessary in order to distinguish trichomonads from cytoplasmic fragments.

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