Fig. 2

Pathologic examination of haematoxylin and eosin (H&E) stained lung tissue, revealing encapsulated and variably-sized oval yeast forms in a background of foamy histiocytes (a, 40x). Yeast morphology consistent with Cryptococcus spp. as the yeast cell wall stained positive by Grocott’s methenamine silver (GMS) stain (b, 50x) and large capsule positive by mucicarmine stain (c, d, 100x)