PMC4309790_01
Wright-stained bronchoalveolar lavage fluid smears.. Notes: (A-D) Arrows indicate extracellular "tachyzoites", also known as "trophozoites", which can be propagated within the nucleated cells. No intracellular parasites are present. Magnification x1,000.
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Interestingly, the Wright-stained bronchoalveolar-lavage (BAL) fluid cytology diagnosis was positive for T. gondii (Figure 1), and many crescent-shaped tachyzoites were detected in clumps around host cells (indicated by an arrow in each of Figure 1A-D).