Figure 2. Photomicrographs of a section of cystic tissue
from the mass shown in Figure 1B. A — Note degenerating
cysts in the liver containing Periodic acid-Schiff (PAS)-positive
hyaline membranes (arrows) surrounded by eosinophilic
granulomatous inflammation and necrosis. Stain = PAS, Bar =
250 mm. B — Note degenerating cysts in the liver that are lined
by a hyaline membrane (“laminated layer”; arrows). Stain =
hematoxylin and eosin, Bar = 50 mm.