PMC6051245_01
PMC6051245_02
Donor gallbladder, H&E, 1000x. The characteristic morphology of Cystoisospori belli includes its banana-shape and perinuclear parasitophorous vacuoles (arrows) within the gallbladder epithelium, as seen here.
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fig1
Donor gallbladder, periodic acid-Schiff stain with diastase (PAS/d), 1000x. Although not required for diagnosis, the parasites can be highlighted by a PAS/d special stain (arrows).
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fig2
The organisms were highlighted by the PAS/D special stain. (Figure 2). The liver histologic evaluation was otherwise unremarkable, with no significant fat, fibrosis, or inflammation. (Figure 3).
Native liver explant, H&E, 20x. Sections show an unremarkable liver with no significant fat, fibrosis, or inflammation.
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fig3
The organisms were highlighted by the PAS/D special stain. (Figure 2). The liver histologic evaluation was otherwise unremarkable, with no significant fat, fibrosis, or inflammation. (Figure 3).